Home / 539,152,001.90-808,728,002.85-517,988,840.30

Finding the Fourth Proportional to 539,152,001.90, 808,728,002.85 and 517,988,840.30

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Solution

The fourth proportional to 539,152,001.90, 808,728,002.85 and 517,988,840.30 is: 776,983,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,152,001.90 : 808,728,002.85 = 517,988,840.30 : x
  2. Step 2: Convert to fraction form
    539,152,001.90/808,728,002.85 = 517,988,840.30/x
  3. Step 3: Cross multiply
    539,152,001.90x = 808,728,002.85 × 517,988,840.30
  4. Step 4: Simplify right side
    539,152,001.90x = 418,912,080,314,406,592
  5. Step 5: Solve for x
    x = 418,912,080,314,406,592/539,152,001.90
  6. Step 6: Final answer
    x = 776,983,260.45

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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.