Home / 392,279,817.66-541,346,122.71-227,363,047.26

Finding the Fourth Proportional to 392,279,817.66, 541,346,122.71 and 227,363,047.26

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Solution

The fourth proportional to 392,279,817.66, 541,346,122.71 and 227,363,047.26 is: 313,760,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,279,817.66 : 541,346,122.71 = 227,363,047.26 : x
  2. Step 2: Convert to fraction form
    392,279,817.66/541,346,122.71 = 227,363,047.26/x
  3. Step 3: Cross multiply
    392,279,817.66x = 541,346,122.71 × 227,363,047.26
  4. Step 4: Simplify right side
    392,279,817.66x = 123,082,104,081,731,488
  5. Step 5: Solve for x
    x = 123,082,104,081,731,488/392,279,817.66
  6. Step 6: Final answer
    x = 313,760,990.35

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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.