Home / 497,712,511.80-746,568,767.70-394,920,012.60

Finding the Fourth Proportional to 497,712,511.80, 746,568,767.70 and 394,920,012.60

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Solution

The fourth proportional to 497,712,511.80, 746,568,767.70 and 394,920,012.60 is: 592,380,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,712,511.80 : 746,568,767.70 = 394,920,012.60 : x
  2. Step 2: Convert to fraction form
    497,712,511.80/746,568,767.70 = 394,920,012.60/x
  3. Step 3: Cross multiply
    497,712,511.80x = 746,568,767.70 × 394,920,012.60
  4. Step 4: Simplify right side
    497,712,511.80x = 294,834,947,146,850,496
  5. Step 5: Solve for x
    x = 294,834,947,146,850,496/497,712,511.80
  6. Step 6: Final answer
    x = 592,380,018.90

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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.