Home / 13,291,474,115.52-18,347,882,009.28-8,281,696,725.48

Finding the Fourth Proportional to 13,291,474,115.52, 18,347,882,009.28 and 8,281,696,725.48

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Solution

The fourth proportional to 13,291,474,115.52, 18,347,882,009.28 and 8,281,696,725.48 is: 11,432,260,487.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,474,115.52 : 18,347,882,009.28 = 8,281,696,725.48 : x
  2. Step 2: Convert to fraction form
    13,291,474,115.52/18,347,882,009.28 = 8,281,696,725.48/x
  3. Step 3: Cross multiply
    13,291,474,115.52x = 18,347,882,009.28 × 8,281,696,725.48
  4. Step 4: Simplify right side
    13,291,474,115.52x = 151,951,594,355,747,553,280
  5. Step 5: Solve for x
    x = 151,951,594,355,747,553,280/13,291,474,115.52
  6. Step 6: Final answer
    x = 11,432,260,487.82

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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.