Home / 1,019,902,298,892.40-1,529,853,448,338.60-423,355,099,711.60

Finding the Fourth Proportional to 1,019,902,298,892.40, 1,529,853,448,338.60 and 423,355,099,711.60

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Solution

The fourth proportional to 1,019,902,298,892.40, 1,529,853,448,338.60 and 423,355,099,711.60 is: 635,032,649,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,902,298,892.40 : 1,529,853,448,338.60 = 423,355,099,711.60 : x
  2. Step 2: Convert to fraction form
    1,019,902,298,892.40/1,529,853,448,338.60 = 423,355,099,711.60/x
  3. Step 3: Cross multiply
    1,019,902,298,892.40x = 1,529,853,448,338.60 × 423,355,099,711.60
  4. Step 4: Simplify right side
    1,019,902,298,892.40x = 647,671,259,165,523,168,985,088
  5. Step 5: Solve for x
    x = 647,671,259,165,523,168,985,088/1,019,902,298,892.40
  6. Step 6: Final answer
    x = 635,032,649,567.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.