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Finding the Fourth Proportional to 498,226,690.80, 747,340,036.20 and 495,356,909.40

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Solution

The fourth proportional to 498,226,690.80, 747,340,036.20 and 495,356,909.40 is: 743,035,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,226,690.80 : 747,340,036.20 = 495,356,909.40 : x
  2. Step 2: Convert to fraction form
    498,226,690.80/747,340,036.20 = 495,356,909.40/x
  3. Step 3: Cross multiply
    498,226,690.80x = 747,340,036.20 × 495,356,909.40
  4. Step 4: Simplify right side
    498,226,690.80x = 370,200,050,602,916,096
  5. Step 5: Solve for x
    x = 370,200,050,602,916,096/498,226,690.80
  6. Step 6: Final answer
    x = 743,035,364.10

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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.