Home / 485,116,233.20-727,705,842.60-255,533,721.20

Finding the Fourth Proportional to 485,116,233.20, 727,705,842.60 and 255,533,721.20

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Solution

The fourth proportional to 485,116,233.20, 727,705,842.60 and 255,533,721.20 is: 383,317,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,116,233.20 : 727,705,842.60 = 255,533,721.20 : x
  2. Step 2: Convert to fraction form
    485,116,233.20/727,705,842.60 = 255,533,721.20/x
  3. Step 3: Cross multiply
    485,116,233.20x = 727,705,842.60 × 255,533,721.20
  4. Step 4: Simplify right side
    485,116,233.20x = 185,953,381,898,559,488
  5. Step 5: Solve for x
    x = 185,953,381,898,559,488/485,116,233.20
  6. Step 6: Final answer
    x = 383,317,170.55

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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.