Home / 521,108,290.08-781,687,572.86-171,346,614.30

Finding the Fourth Proportional to 521,108,290.08, 781,687,572.86 and 171,346,614.30

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Solution

The fourth proportional to 521,108,290.08, 781,687,572.86 and 171,346,614.30 is: 257,028,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,108,290.08 : 781,687,572.86 = 171,346,614.30 : x
  2. Step 2: Convert to fraction form
    521,108,290.08/781,687,572.86 = 171,346,614.30/x
  3. Step 3: Cross multiply
    521,108,290.08x = 781,687,572.86 × 171,346,614.30
  4. Step 4: Simplify right side
    521,108,290.08x = 133,939,519,049,945,584
  5. Step 5: Solve for x
    x = 133,939,519,049,945,584/521,108,290.08
  6. Step 6: Final answer
    x = 257,028,187.04

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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.