Home / 284,478,234.40-427,036,216.20-220,067,585.20

Finding the Fourth Proportional to 284,478,234.40, 427,036,216.20 and 220,067,585.20

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Solution

The fourth proportional to 284,478,234.40, 427,036,216.20 and 220,067,585.20 is: 330,348,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,478,234.40 : 427,036,216.20 = 220,067,585.20 : x
  2. Step 2: Convert to fraction form
    284,478,234.40/427,036,216.20 = 220,067,585.20/x
  3. Step 3: Cross multiply
    284,478,234.40x = 427,036,216.20 × 220,067,585.20
  4. Step 4: Simplify right side
    284,478,234.40x = 93,976,828,892,079,120
  5. Step 5: Solve for x
    x = 93,976,828,892,079,120/284,478,234.40
  6. Step 6: Final answer
    x = 330,348,046.10

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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.