Home / 539,098,678.40-808,648,017.60-517,935,516.80

Finding the Fourth Proportional to 539,098,678.40, 808,648,017.60 and 517,935,516.80

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Solution

The fourth proportional to 539,098,678.40, 808,648,017.60 and 517,935,516.80 is: 776,903,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,098,678.40 : 808,648,017.60 = 517,935,516.80 : x
  2. Step 2: Convert to fraction form
    539,098,678.40/808,648,017.60 = 517,935,516.80/x
  3. Step 3: Cross multiply
    539,098,678.40x = 808,648,017.60 × 517,935,516.80
  4. Step 4: Simplify right side
    539,098,678.40x = 418,827,528,904,951,488
  5. Step 5: Solve for x
    x = 418,827,528,904,951,488/539,098,678.40
  6. Step 6: Final answer
    x = 776,903,275.20

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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.