Home / 457,059,764.70-685,615,557.30-146,194,685.82

Finding the Fourth Proportional to 457,059,764.70, 685,615,557.30 and 146,194,685.82

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Solution

The fourth proportional to 457,059,764.70, 685,615,557.30 and 146,194,685.82 is: 219,300,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,059,764.70 : 685,615,557.30 = 146,194,685.82 : x
  2. Step 2: Convert to fraction form
    457,059,764.70/685,615,557.30 = 146,194,685.82/x
  3. Step 3: Cross multiply
    457,059,764.70x = 685,615,557.30 × 146,194,685.82
  4. Step 4: Simplify right side
    457,059,764.70x = 100,233,350,992,777,696
  5. Step 5: Solve for x
    x = 100,233,350,992,777,696/457,059,764.70
  6. Step 6: Final answer
    x = 219,300,316.36

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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.