Home / 485,091,014.20-727,668,014.10-255,508,502.20

Finding the Fourth Proportional to 485,091,014.20, 727,668,014.10 and 255,508,502.20

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Solution

The fourth proportional to 485,091,014.20, 727,668,014.10 and 255,508,502.20 is: 383,279,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,091,014.20 : 727,668,014.10 = 255,508,502.20 : x
  2. Step 2: Convert to fraction form
    485,091,014.20/727,668,014.10 = 255,508,502.20/x
  3. Step 3: Cross multiply
    485,091,014.20x = 727,668,014.10 × 255,508,502.20
  4. Step 4: Simplify right side
    485,091,014.20x = 185,925,364,381,539,488
  5. Step 5: Solve for x
    x = 185,925,364,381,539,488/485,091,014.20
  6. Step 6: Final answer
    x = 383,279,341.28

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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.