Home / 538,812,001.70-808,218,002.55-232,701,985.70

Finding the Fourth Proportional to 538,812,001.70, 808,218,002.55 and 232,701,985.70

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Solution

The fourth proportional to 538,812,001.70, 808,218,002.55 and 232,701,985.70 is: 349,052,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,812,001.70 : 808,218,002.55 = 232,701,985.70 : x
  2. Step 2: Convert to fraction form
    538,812,001.70/808,218,002.55 = 232,701,985.70/x
  3. Step 3: Cross multiply
    538,812,001.70x = 808,218,002.55 × 232,701,985.70
  4. Step 4: Simplify right side
    538,812,001.70x = 188,073,934,071,872,640
  5. Step 5: Solve for x
    x = 188,073,934,071,872,640/538,812,001.70
  6. Step 6: Final answer
    x = 349,052,978.55

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Similar ratio
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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.