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Finding the Fourth Proportional to 498,528,674.85, 747,793,012.28 and 413,594,018.85

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Solution

The fourth proportional to 498,528,674.85, 747,793,012.28 and 413,594,018.85 is: 620,391,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,528,674.85 : 747,793,012.28 = 413,594,018.85 : x
  2. Step 2: Convert to fraction form
    498,528,674.85/747,793,012.28 = 413,594,018.85/x
  3. Step 3: Cross multiply
    498,528,674.85x = 747,793,012.28 × 413,594,018.85
  4. Step 4: Simplify right side
    498,528,674.85x = 309,282,717,214,764,608
  5. Step 5: Solve for x
    x = 309,282,717,214,764,608/498,528,674.85
  6. Step 6: Final answer
    x = 620,391,028.28

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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.