Home / 667,660,819.52-1,000,784,386.92-224,581,698.08

Finding the Fourth Proportional to 667,660,819.52, 1,000,784,386.92 and 224,581,698.08

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Solution

The fourth proportional to 667,660,819.52, 1,000,784,386.92 and 224,581,698.08 is: 336,634,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,660,819.52 : 1,000,784,386.92 = 224,581,698.08 : x
  2. Step 2: Convert to fraction form
    667,660,819.52/1,000,784,386.92 = 224,581,698.08/x
  3. Step 3: Cross multiply
    667,660,819.52x = 1,000,784,386.92 × 224,581,698.08
  4. Step 4: Simplify right side
    667,660,819.52x = 224,757,857,026,445,344
  5. Step 5: Solve for x
    x = 224,757,857,026,445,344/667,660,819.52
  6. Step 6: Final answer
    x = 336,634,785.89

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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.