Home / 497,665,961.40-746,498,942.10-255,353,359.80

Finding the Fourth Proportional to 497,665,961.40, 746,498,942.10 and 255,353,359.80

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Solution

The fourth proportional to 497,665,961.40, 746,498,942.10 and 255,353,359.80 is: 383,030,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,665,961.40 : 746,498,942.10 = 255,353,359.80 : x
  2. Step 2: Convert to fraction form
    497,665,961.40/746,498,942.10 = 255,353,359.80/x
  3. Step 3: Cross multiply
    497,665,961.40x = 746,498,942.10 × 255,353,359.80
  4. Step 4: Simplify right side
    497,665,961.40x = 190,621,012,952,380,672
  5. Step 5: Solve for x
    x = 190,621,012,952,380,672/497,665,961.40
  6. Step 6: Final answer
    x = 383,030,039.70

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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.