Home / 485,116,234.20-727,705,844.10-255,533,722.20

Finding the Fourth Proportional to 485,116,234.20, 727,705,844.10 and 255,533,722.20

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Solution

The fourth proportional to 485,116,234.20, 727,705,844.10 and 255,533,722.20 is: 383,317,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,116,234.20 : 727,705,844.10 = 255,533,722.20 : x
  2. Step 2: Convert to fraction form
    485,116,234.20/727,705,844.10 = 255,533,722.20/x
  3. Step 3: Cross multiply
    485,116,234.20x = 727,705,844.10 × 255,533,722.20
  4. Step 4: Simplify right side
    485,116,234.20x = 185,953,383,009,565,920
  5. Step 5: Solve for x
    x = 185,953,383,009,565,920/485,116,234.20
  6. Step 6: Final answer
    x = 383,317,172.05

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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.