Home / 433,026,302.70-649,726,078.05-251,428,709.10

Finding the Fourth Proportional to 433,026,302.70, 649,726,078.05 and 251,428,709.10

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Solution

The fourth proportional to 433,026,302.70, 649,726,078.05 and 251,428,709.10 is: 377,251,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,026,302.70 : 649,726,078.05 = 251,428,709.10 : x
  2. Step 2: Convert to fraction form
    433,026,302.70/649,726,078.05 = 251,428,709.10/x
  3. Step 3: Cross multiply
    433,026,302.70x = 649,726,078.05 × 251,428,709.10
  4. Step 4: Simplify right side
    433,026,302.70x = 163,359,789,072,717,344
  5. Step 5: Solve for x
    x = 163,359,789,072,717,344/433,026,302.70
  6. Step 6: Final answer
    x = 377,251,423.42

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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.