Home / 497,665,991.20-746,872,234.80-255,204,090.40

Finding the Fourth Proportional to 497,665,991.20, 746,872,234.80 and 255,204,090.40

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Solution

The fourth proportional to 497,665,991.20, 746,872,234.80 and 255,204,090.40 is: 382,997,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,665,991.20 : 746,872,234.80 = 255,204,090.40 : x
  2. Step 2: Convert to fraction form
    497,665,991.20/746,872,234.80 = 255,204,090.40/x
  3. Step 3: Cross multiply
    497,665,991.20x = 746,872,234.80 × 255,204,090.40
  4. Step 4: Simplify right side
    497,665,991.20x = 190,604,849,327,149,216
  5. Step 5: Solve for x
    x = 190,604,849,327,149,216/497,665,991.20
  6. Step 6: Final answer
    x = 382,997,537.90

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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.