Home / 266,146,752.60-398,622,932.10-218,371,008.60

Finding the Fourth Proportional to 266,146,752.60, 398,622,932.10 and 218,371,008.60

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Solution

The fourth proportional to 266,146,752.60, 398,622,932.10 and 218,371,008.60 is: 327,066,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,146,752.60 : 398,622,932.10 = 218,371,008.60 : x
  2. Step 2: Convert to fraction form
    266,146,752.60/398,622,932.10 = 218,371,008.60/x
  3. Step 3: Cross multiply
    266,146,752.60x = 398,622,932.10 × 218,371,008.60
  4. Step 4: Simplify right side
    266,146,752.60x = 87,047,691,733,766,320
  5. Step 5: Solve for x
    x = 87,047,691,733,766,320/266,146,752.60
  6. Step 6: Final answer
    x = 327,066,518.32

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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.