Home / 566,764,665.14-782,103,613.83-312,437,816.30

Finding the Fourth Proportional to 566,764,665.14, 782,103,613.83 and 312,437,816.30

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Solution

The fourth proportional to 566,764,665.14, 782,103,613.83 and 312,437,816.30 is: 431,146,753.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,764,665.14 : 782,103,613.83 = 312,437,816.30 : x
  2. Step 2: Convert to fraction form
    566,764,665.14/782,103,613.83 = 312,437,816.30/x
  3. Step 3: Cross multiply
    566,764,665.14x = 782,103,613.83 × 312,437,816.30
  4. Step 4: Simplify right side
    566,764,665.14x = 244,358,745,225,383,712
  5. Step 5: Solve for x
    x = 244,358,745,225,383,712/566,764,665.14
  6. Step 6: Final answer
    x = 431,146,753.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.