Home / 1,120,739,216.40-1,681,108,824.60-604,178,564.40

Finding the Fourth Proportional to 1,120,739,216.40, 1,681,108,824.60 and 604,178,564.40

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Solution

The fourth proportional to 1,120,739,216.40, 1,681,108,824.60 and 604,178,564.40 is: 906,267,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,739,216.40 : 1,681,108,824.60 = 604,178,564.40 : x
  2. Step 2: Convert to fraction form
    1,120,739,216.40/1,681,108,824.60 = 604,178,564.40/x
  3. Step 3: Cross multiply
    1,120,739,216.40x = 1,681,108,824.60 × 604,178,564.40
  4. Step 4: Simplify right side
    1,120,739,216.40x = 1,015,689,916,246,999,296
  5. Step 5: Solve for x
    x = 1,015,689,916,246,999,296/1,120,739,216.40
  6. Step 6: Final answer
    x = 906,267,846.60

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Half scale
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Double scale
Find fourth proportional to 1,120,739,217.40, 1,681,108,826.10 and 604,178,565.40
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.