Home / 529,635,682.82-730,885,789.41-306,626,767.94

Finding the Fourth Proportional to 529,635,682.82, 730,885,789.41 and 306,626,767.94

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Solution

The fourth proportional to 529,635,682.82, 730,885,789.41 and 306,626,767.94 is: 423,138,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,635,682.82 : 730,885,789.41 = 306,626,767.94 : x
  2. Step 2: Convert to fraction form
    529,635,682.82/730,885,789.41 = 306,626,767.94/x
  3. Step 3: Cross multiply
    529,635,682.82x = 730,885,789.41 × 306,626,767.94
  4. Step 4: Simplify right side
    529,635,682.82x = 224,109,147,340,063,776
  5. Step 5: Solve for x
    x = 224,109,147,340,063,776/529,635,682.82
  6. Step 6: Final answer
    x = 423,138,309.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.