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Finding the Fourth Proportional to 692,661,519.89, 955,861,083.92 and 375,119,192.37

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Solution

The fourth proportional to 692,661,519.89, 955,861,083.92 and 375,119,192.37 is: 517,658,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,661,519.89 : 955,861,083.92 = 375,119,192.37 : x
  2. Step 2: Convert to fraction form
    692,661,519.89/955,861,083.92 = 375,119,192.37/x
  3. Step 3: Cross multiply
    692,661,519.89x = 955,861,083.92 × 375,119,192.37
  4. Step 4: Simplify right side
    692,661,519.89x = 358,561,837,822,505,472
  5. Step 5: Solve for x
    x = 358,561,837,822,505,472/692,661,519.89
  6. Step 6: Final answer
    x = 517,658,087.72

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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.