Home / 10,285,056,021.40-15,427,584,032.10-5,379,233,608.60

Finding the Fourth Proportional to 10,285,056,021.40, 15,427,584,032.10 and 5,379,233,608.60

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Solution

The fourth proportional to 10,285,056,021.40, 15,427,584,032.10 and 5,379,233,608.60 is: 8,068,850,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285,056,021.40 : 15,427,584,032.10 = 5,379,233,608.60 : x
  2. Step 2: Convert to fraction form
    10,285,056,021.40/15,427,584,032.10 = 5,379,233,608.60/x
  3. Step 3: Cross multiply
    10,285,056,021.40x = 15,427,584,032.10 × 5,379,233,608.60
  4. Step 4: Simplify right side
    10,285,056,021.40x = 82,988,578,524,973,023,232
  5. Step 5: Solve for x
    x = 82,988,578,524,973,023,232/10,285,056,021.40
  6. Step 6: Final answer
    x = 8,068,850,412.90

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Double scale
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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.