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Finding the Fourth Proportional to 392,279,751.66, 541,346,031.63 and 227,362,980.54

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Solution

The fourth proportional to 392,279,751.66, 541,346,031.63 and 227,362,980.54 is: 313,760,898.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,279,751.66 : 541,346,031.63 = 227,362,980.54 : x
  2. Step 2: Convert to fraction form
    392,279,751.66/541,346,031.63 = 227,362,980.54/x
  3. Step 3: Cross multiply
    392,279,751.66x = 541,346,031.63 × 227,362,980.54
  4. Step 4: Simplify right side
    392,279,751.66x = 123,082,047,254,897,904
  5. Step 5: Solve for x
    x = 123,082,047,254,897,904/392,279,751.66
  6. Step 6: Final answer
    x = 313,760,898.27

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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.