Home / 351,182,789.20-484,662,009.78-194,599,012.96

Finding the Fourth Proportional to 351,182,789.20, 484,662,009.78 and 194,599,012.96

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Solution

The fourth proportional to 351,182,789.20, 484,662,009.78 and 194,599,012.96 is: 268,563,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,182,789.20 : 484,662,009.78 = 194,599,012.96 : x
  2. Step 2: Convert to fraction form
    351,182,789.20/484,662,009.78 = 194,599,012.96/x
  3. Step 3: Cross multiply
    351,182,789.20x = 484,662,009.78 × 194,599,012.96
  4. Step 4: Simplify right side
    351,182,789.20x = 94,314,748,722,397,872
  5. Step 5: Solve for x
    x = 94,314,748,722,397,872/351,182,789.20
  6. Step 6: Final answer
    x = 268,563,129.01

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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.