Home / 539,152,031.40-808,728,047.10-517,988,869.80

Finding the Fourth Proportional to 539,152,031.40, 808,728,047.10 and 517,988,869.80

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Solution

The fourth proportional to 539,152,031.40, 808,728,047.10 and 517,988,869.80 is: 776,983,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,152,031.40 : 808,728,047.10 = 517,988,869.80 : x
  2. Step 2: Convert to fraction form
    539,152,031.40/808,728,047.10 = 517,988,869.80/x
  3. Step 3: Cross multiply
    539,152,031.40x = 808,728,047.10 × 517,988,869.80
  4. Step 4: Simplify right side
    539,152,031.40x = 418,912,127,092,890,176
  5. Step 5: Solve for x
    x = 418,912,127,092,890,176/539,152,031.40
  6. Step 6: Final answer
    x = 776,983,304.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.