Home / 688,156,936.60-1,032,235,404.90-516,164,258.20

Finding the Fourth Proportional to 688,156,936.60, 1,032,235,404.90 and 516,164,258.20

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Solution

The fourth proportional to 688,156,936.60, 1,032,235,404.90 and 516,164,258.20 is: 774,246,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,156,936.60 : 1,032,235,404.90 = 516,164,258.20 : x
  2. Step 2: Convert to fraction form
    688,156,936.60/1,032,235,404.90 = 516,164,258.20/x
  3. Step 3: Cross multiply
    688,156,936.60x = 1,032,235,404.90 × 516,164,258.20
  4. Step 4: Simplify right side
    688,156,936.60x = 532,803,022,057,985,152
  5. Step 5: Solve for x
    x = 532,803,022,057,985,152/688,156,936.60
  6. Step 6: Final answer
    x = 774,246,387.30

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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.