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Finding the Fourth Proportional to 719,368,463.93, 992,752,552.10 and 440,856,200.93

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Solution

The fourth proportional to 719,368,463.93, 992,752,552.10 and 440,856,200.93 is: 608,396,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,368,463.93 : 992,752,552.10 = 440,856,200.93 : x
  2. Step 2: Convert to fraction form
    719,368,463.93/992,752,552.10 = 440,856,200.93/x
  3. Step 3: Cross multiply
    719,368,463.93x = 992,752,552.10 × 440,856,200.93
  4. Step 4: Simplify right side
    719,368,463.93x = 437,661,118,580,163,648
  5. Step 5: Solve for x
    x = 437,661,118,580,163,648/719,368,463.93
  6. Step 6: Final answer
    x = 608,396,309.44

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1.5x scale

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.