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Finding the Fourth Proportional to 881,872,359.48, 1,216,904,755.50 and 510,619,447.80

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Solution

The fourth proportional to 881,872,359.48, 1,216,904,755.50 and 510,619,447.80 is: 704,609,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,872,359.48 : 1,216,904,755.50 = 510,619,447.80 : x
  2. Step 2: Convert to fraction form
    881,872,359.48/1,216,904,755.50 = 510,619,447.80/x
  3. Step 3: Cross multiply
    881,872,359.48x = 1,216,904,755.50 × 510,619,447.80
  4. Step 4: Simplify right side
    881,872,359.48x = 621,375,234,278,604,032
  5. Step 5: Solve for x
    x = 621,375,234,278,604,032/881,872,359.48
  6. Step 6: Final answer
    x = 704,609,037.35

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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.