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Finding the Fourth Proportional to 661,566,574.70, 992,349,862.05 and 661,566,574.70

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Solution

The fourth proportional to 661,566,574.70, 992,349,862.05 and 661,566,574.70 is: 992,349,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,566,574.70 : 992,349,862.05 = 661,566,574.70 : x
  2. Step 2: Convert to fraction form
    661,566,574.70/992,349,862.05 = 661,566,574.70/x
  3. Step 3: Cross multiply
    661,566,574.70x = 992,349,862.05 × 661,566,574.70
  4. Step 4: Simplify right side
    661,566,574.70x = 656,505,499,140,436,096
  5. Step 5: Solve for x
    x = 656,505,499,140,436,096/661,566,574.70
  6. Step 6: Final answer
    x = 992,349,862.05

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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.