Home / 457,951,388,036.92-687,240,860,695.40-159,831,321,680.44

Finding the Fourth Proportional to 457,951,388,036.92, 687,240,860,695.40 and 159,831,321,680.44

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Solution

The fourth proportional to 457,951,388,036.92, 687,240,860,695.40 and 159,831,321,680.44 is: 239,856,495,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,951,388,036.92 : 687,240,860,695.40 = 159,831,321,680.44 : x
  2. Step 2: Convert to fraction form
    457,951,388,036.92/687,240,860,695.40 = 159,831,321,680.44/x
  3. Step 3: Cross multiply
    457,951,388,036.92x = 687,240,860,695.40 × 159,831,321,680.44
  4. Step 4: Simplify right side
    457,951,388,036.92x = 109,842,615,077,748,942,569,472
  5. Step 5: Solve for x
    x = 109,842,615,077,748,942,569,472/457,951,388,036.92
  6. Step 6: Final answer
    x = 239,856,495,573.92

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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.