Home / 667,660,821.52-1,000,784,389.92-224,581,700.08

Finding the Fourth Proportional to 667,660,821.52, 1,000,784,389.92 and 224,581,700.08

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Solution

The fourth proportional to 667,660,821.52, 1,000,784,389.92 and 224,581,700.08 is: 336,634,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,660,821.52 : 1,000,784,389.92 = 224,581,700.08 : x
  2. Step 2: Convert to fraction form
    667,660,821.52/1,000,784,389.92 = 224,581,700.08/x
  3. Step 3: Cross multiply
    667,660,821.52x = 1,000,784,389.92 × 224,581,700.08
  4. Step 4: Simplify right side
    667,660,821.52x = 224,757,859,701,759,232
  5. Step 5: Solve for x
    x = 224,757,859,701,759,232/667,660,821.52
  6. Step 6: Final answer
    x = 336,634,788.89

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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.