Home / 764,762,044.20-1,142,789,481.78-574,226,034.12

Finding the Fourth Proportional to 764,762,044.20, 1,142,789,481.78 and 574,226,034.12

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Solution

The fourth proportional to 764,762,044.20, 1,142,789,481.78 and 574,226,034.12 is: 858,070,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,762,044.20 : 1,142,789,481.78 = 574,226,034.12 : x
  2. Step 2: Convert to fraction form
    764,762,044.20/1,142,789,481.78 = 574,226,034.12/x
  3. Step 3: Cross multiply
    764,762,044.20x = 1,142,789,481.78 × 574,226,034.12
  4. Step 4: Simplify right side
    764,762,044.20x = 656,219,471,956,579,328
  5. Step 5: Solve for x
    x = 656,219,471,956,579,328/764,762,044.20
  6. Step 6: Final answer
    x = 858,070,136.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.