Home / 451,008,022.60-676,512,033.90-314,959,126.60

Finding the Fourth Proportional to 451,008,022.60, 676,512,033.90 and 314,959,126.60

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Solution

The fourth proportional to 451,008,022.60, 676,512,033.90 and 314,959,126.60 is: 472,438,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,008,022.60 : 676,512,033.90 = 314,959,126.60 : x
  2. Step 2: Convert to fraction form
    451,008,022.60/676,512,033.90 = 314,959,126.60/x
  3. Step 3: Cross multiply
    451,008,022.60x = 676,512,033.90 × 314,959,126.60
  4. Step 4: Simplify right side
    451,008,022.60x = 213,073,639,331,533,600
  5. Step 5: Solve for x
    x = 213,073,639,331,533,600/451,008,022.60
  6. Step 6: Final answer
    x = 472,438,689.90

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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.