Home / 566,764,664.64-782,103,613.14-312,437,815.80

Finding the Fourth Proportional to 566,764,664.64, 782,103,613.14 and 312,437,815.80

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Solution

The fourth proportional to 566,764,664.64, 782,103,613.14 and 312,437,815.80 is: 431,146,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,764,664.64 : 782,103,613.14 = 312,437,815.80 : x
  2. Step 2: Convert to fraction form
    566,764,664.64/782,103,613.14 = 312,437,815.80/x
  3. Step 3: Cross multiply
    566,764,664.64x = 782,103,613.14 × 312,437,815.80
  4. Step 4: Simplify right side
    566,764,664.64x = 244,358,744,618,749,792
  5. Step 5: Solve for x
    x = 244,358,744,618,749,792/566,764,664.64
  6. Step 6: Final answer
    x = 431,146,752.55

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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.