Home / 457,951,388,036.42-687,240,860,694.65-159,831,321,679.94

Finding the Fourth Proportional to 457,951,388,036.42, 687,240,860,694.65 and 159,831,321,679.94

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Solution

The fourth proportional to 457,951,388,036.42, 687,240,860,694.65 and 159,831,321,679.94 is: 239,856,495,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,951,388,036.42 : 687,240,860,694.65 = 159,831,321,679.94 : x
  2. Step 2: Convert to fraction form
    457,951,388,036.42/687,240,860,694.65 = 159,831,321,679.94/x
  3. Step 3: Cross multiply
    457,951,388,036.42x = 687,240,860,694.65 × 159,831,321,679.94
  4. Step 4: Simplify right side
    457,951,388,036.42x = 109,842,615,077,285,438,423,040
  5. Step 5: Solve for x
    x = 109,842,615,077,285,438,423,040/457,951,388,036.42
  6. Step 6: Final answer
    x = 239,856,495,573.17

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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.