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Finding the Fourth Proportional to 498,465,972.90, 747,698,959.35 and 441,070,344.90

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Solution

The fourth proportional to 498,465,972.90, 747,698,959.35 and 441,070,344.90 is: 661,605,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,465,972.90 : 747,698,959.35 = 441,070,344.90 : x
  2. Step 2: Convert to fraction form
    498,465,972.90/747,698,959.35 = 441,070,344.90/x
  3. Step 3: Cross multiply
    498,465,972.90x = 747,698,959.35 × 441,070,344.90
  4. Step 4: Simplify right side
    498,465,972.90x = 329,787,837,881,875,584
  5. Step 5: Solve for x
    x = 329,787,837,881,875,584/498,465,972.90
  6. Step 6: Final answer
    x = 661,605,517.35

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1.5x scale

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.