Home / 402,858,849,077.66-555,993,962,331.78-229,286,192,480.20

Finding the Fourth Proportional to 402,858,849,077.66, 555,993,962,331.78 and 229,286,192,480.20

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Solution

The fourth proportional to 402,858,849,077.66, 555,993,962,331.78 and 229,286,192,480.20 is: 316,442,691,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,858,849,077.66 : 555,993,962,331.78 = 229,286,192,480.20 : x
  2. Step 2: Convert to fraction form
    402,858,849,077.66/555,993,962,331.78 = 229,286,192,480.20/x
  3. Step 3: Cross multiply
    402,858,849,077.66x = 555,993,962,331.78 × 229,286,192,480.20
  4. Step 4: Simplify right side
    402,858,849,077.66x = 127,481,738,665,033,583,296,512
  5. Step 5: Solve for x
    x = 127,481,738,665,033,583,296,512/402,858,849,077.66
  6. Step 6: Final answer
    x = 316,442,691,917.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.