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Finding the Fourth Proportional to 541,754,797.62, 747,625,447.08 and 294,236,151.87

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Solution

The fourth proportional to 541,754,797.62, 747,625,447.08 and 294,236,151.87 is: 406,047,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,754,797.62 : 747,625,447.08 = 294,236,151.87 : x
  2. Step 2: Convert to fraction form
    541,754,797.62/747,625,447.08 = 294,236,151.87/x
  3. Step 3: Cross multiply
    541,754,797.62x = 747,625,447.08 × 294,236,151.87
  4. Step 4: Simplify right side
    541,754,797.62x = 219,978,434,588,907,552
  5. Step 5: Solve for x
    x = 219,978,434,588,907,552/541,754,797.62
  6. Step 6: Final answer
    x = 406,047,967.74

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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.