Home / 497,712,491.80-746,568,737.70-394,919,992.60

Finding the Fourth Proportional to 497,712,491.80, 746,568,737.70 and 394,919,992.60

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Solution

The fourth proportional to 497,712,491.80, 746,568,737.70 and 394,919,992.60 is: 592,379,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,712,491.80 : 746,568,737.70 = 394,919,992.60 : x
  2. Step 2: Convert to fraction form
    497,712,491.80/746,568,737.70 = 394,919,992.60/x
  3. Step 3: Cross multiply
    497,712,491.80x = 746,568,737.70 × 394,919,992.60
  4. Step 4: Simplify right side
    497,712,491.80x = 294,834,920,367,875,392
  5. Step 5: Solve for x
    x = 294,834,920,367,875,392/497,712,491.80
  6. Step 6: Final answer
    x = 592,379,988.90

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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.