Home / 456,192,993.20-684,156,779.40-251,818,977.20

Finding the Fourth Proportional to 456,192,993.20, 684,156,779.40 and 251,818,977.20

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Solution

The fourth proportional to 456,192,993.20, 684,156,779.40 and 251,818,977.20 is: 377,655,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,192,993.20 : 684,156,779.40 = 251,818,977.20 : x
  2. Step 2: Convert to fraction form
    456,192,993.20/684,156,779.40 = 251,818,977.20/x
  3. Step 3: Cross multiply
    456,192,993.20x = 684,156,779.40 × 251,818,977.20
  4. Step 4: Simplify right side
    456,192,993.20x = 172,283,660,432,954,016
  5. Step 5: Solve for x
    x = 172,283,660,432,954,016/456,192,993.20
  6. Step 6: Final answer
    x = 377,655,209.53

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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.