Home / 366,471,906.30-549,707,859.45-221,069,648.70

Finding the Fourth Proportional to 366,471,906.30, 549,707,859.45 and 221,069,648.70

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Solution

The fourth proportional to 366,471,906.30, 549,707,859.45 and 221,069,648.70 is: 331,604,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,471,906.30 : 549,707,859.45 = 221,069,648.70 : x
  2. Step 2: Convert to fraction form
    366,471,906.30/549,707,859.45 = 221,069,648.70/x
  3. Step 3: Cross multiply
    366,471,906.30x = 549,707,859.45 × 221,069,648.70
  4. Step 4: Simplify right side
    366,471,906.30x = 121,523,723,376,240,480
  5. Step 5: Solve for x
    x = 121,523,723,376,240,480/366,471,906.30
  6. Step 6: Final answer
    x = 331,604,473.05

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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.