Home / 381,026,114.10-571,539,171.15-252,031,605.30

Finding the Fourth Proportional to 381,026,114.10, 571,539,171.15 and 252,031,605.30

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Solution

The fourth proportional to 381,026,114.10, 571,539,171.15 and 252,031,605.30 is: 378,047,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,026,114.10 : 571,539,171.15 = 252,031,605.30 : x
  2. Step 2: Convert to fraction form
    381,026,114.10/571,539,171.15 = 252,031,605.30/x
  3. Step 3: Cross multiply
    381,026,114.10x = 571,539,171.15 × 252,031,605.30
  4. Step 4: Simplify right side
    381,026,114.10x = 144,045,934,796,765,952
  5. Step 5: Solve for x
    x = 144,045,934,796,765,952/381,026,114.10
  6. Step 6: Final answer
    x = 378,047,407.95

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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.