Home / 462,491,837.64-638,279,098.86-253,688,336.43

Finding the Fourth Proportional to 462,491,837.64, 638,279,098.86 and 253,688,336.43

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Solution

The fourth proportional to 462,491,837.64, 638,279,098.86 and 253,688,336.43 is: 350,112,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,491,837.64 : 638,279,098.86 = 253,688,336.43 : x
  2. Step 2: Convert to fraction form
    462,491,837.64/638,279,098.86 = 253,688,336.43/x
  3. Step 3: Cross multiply
    462,491,837.64x = 638,279,098.86 × 253,688,336.43
  4. Step 4: Simplify right side
    462,491,837.64x = 161,923,962,767,832,928
  5. Step 5: Solve for x
    x = 161,923,962,767,832,928/462,491,837.64
  6. Step 6: Final answer
    x = 350,112,044.34

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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.