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Finding the Fourth Proportional to 439,991,866.17, 659,577,503.25 and 148,655,245.68

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Solution

The fourth proportional to 439,991,866.17, 659,577,503.25 and 148,655,245.68 is: 222,844,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,991,866.17 : 659,577,503.25 = 148,655,245.68 : x
  2. Step 2: Convert to fraction form
    439,991,866.17/659,577,503.25 = 148,655,245.68/x
  3. Step 3: Cross multiply
    439,991,866.17x = 659,577,503.25 × 148,655,245.68
  4. Step 4: Simplify right side
    439,991,866.17x = 98,049,655,790,629,760
  5. Step 5: Solve for x
    x = 98,049,655,790,629,760/439,991,866.17
  6. Step 6: Final answer
    x = 222,844,246.29

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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.