Home / 539,098,634.40-808,647,951.60-517,935,472.80

Finding the Fourth Proportional to 539,098,634.40, 808,647,951.60 and 517,935,472.80

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Solution

The fourth proportional to 539,098,634.40, 808,647,951.60 and 517,935,472.80 is: 776,903,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,098,634.40 : 808,647,951.60 = 517,935,472.80 : x
  2. Step 2: Convert to fraction form
    539,098,634.40/808,647,951.60 = 517,935,472.80/x
  3. Step 3: Cross multiply
    539,098,634.40x = 808,647,951.60 × 517,935,472.80
  4. Step 4: Simplify right side
    539,098,634.40x = 418,827,459,140,697,536
  5. Step 5: Solve for x
    x = 418,827,459,140,697,536/539,098,634.40
  6. Step 6: Final answer
    x = 776,903,209.20

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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.