Home / 331,808,356.20-497,712,534.30-263,280,023.40

Finding the Fourth Proportional to 331,808,356.20, 497,712,534.30 and 263,280,023.40

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Solution

The fourth proportional to 331,808,356.20, 497,712,534.30 and 263,280,023.40 is: 394,920,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,808,356.20 : 497,712,534.30 = 263,280,023.40 : x
  2. Step 2: Convert to fraction form
    331,808,356.20/497,712,534.30 = 263,280,023.40/x
  3. Step 3: Cross multiply
    331,808,356.20x = 497,712,534.30 × 263,280,023.40
  4. Step 4: Simplify right side
    331,808,356.20x = 131,037,767,676,977,312
  5. Step 5: Solve for x
    x = 131,037,767,676,977,312/331,808,356.20
  6. Step 6: Final answer
    x = 394,920,035.10

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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.