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Finding the Fourth Proportional to 331,755,405, 457,822,655.88 and 185,077,689

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Solution

The fourth proportional to 331,755,405, 457,822,655.88 and 185,077,689 is: 255,407,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,755,405 : 457,822,655.88 = 185,077,689 : x
  2. Step 2: Convert to fraction form
    331,755,405/457,822,655.88 = 185,077,689/x
  3. Step 3: Cross multiply
    331,755,405x = 457,822,655.88 × 185,077,689
  4. Step 4: Simplify right side
    331,755,405x = 84,732,759,122,112,656
  5. Step 5: Solve for x
    x = 84,732,759,122,112,656/331,755,405
  6. Step 6: Final answer
    x = 255,407,320.71

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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.