Home / 524,729,086.22-724,144,008.11-310,331,516.71

Finding the Fourth Proportional to 524,729,086.22, 724,144,008.11 and 310,331,516.71

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Solution

The fourth proportional to 524,729,086.22, 724,144,008.11 and 310,331,516.71 is: 428,268,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,729,086.22 : 724,144,008.11 = 310,331,516.71 : x
  2. Step 2: Convert to fraction form
    524,729,086.22/724,144,008.11 = 310,331,516.71/x
  3. Step 3: Cross multiply
    524,729,086.22x = 724,144,008.11 × 310,331,516.71
  4. Step 4: Simplify right side
    524,729,086.22x = 224,724,708,349,614,112
  5. Step 5: Solve for x
    x = 224,724,708,349,614,112/524,729,086.22
  6. Step 6: Final answer
    x = 428,268,061.08

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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.