Home / 331,808,462.20-497,712,693.30-263,280,129.40

Finding the Fourth Proportional to 331,808,462.20, 497,712,693.30 and 263,280,129.40

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Solution

The fourth proportional to 331,808,462.20, 497,712,693.30 and 263,280,129.40 is: 394,920,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,808,462.20 : 497,712,693.30 = 263,280,129.40 : x
  2. Step 2: Convert to fraction form
    331,808,462.20/497,712,693.30 = 263,280,129.40/x
  3. Step 3: Cross multiply
    331,808,462.20x = 497,712,693.30 × 263,280,129.40
  4. Step 4: Simplify right side
    331,808,462.20x = 131,037,862,296,046,512
  5. Step 5: Solve for x
    x = 131,037,862,296,046,512/331,808,462.20
  6. Step 6: Final answer
    x = 394,920,194.10

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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.