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Finding the Fourth Proportional to 614,451,689.52, 921,678,469.28 and 250,946,045.52

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Solution

The fourth proportional to 614,451,689.52, 921,678,469.28 and 250,946,045.52 is: 376,419,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,451,689.52 : 921,678,469.28 = 250,946,045.52 : x
  2. Step 2: Convert to fraction form
    614,451,689.52/921,678,469.28 = 250,946,045.52/x
  3. Step 3: Cross multiply
    614,451,689.52x = 921,678,469.28 × 250,946,045.52
  4. Step 4: Simplify right side
    614,451,689.52x = 231,291,567,106,742,816
  5. Step 5: Solve for x
    x = 231,291,567,106,742,816/614,451,689.52
  6. Step 6: Final answer
    x = 376,419,450.14

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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.