Home / 15,321,522,672.60-21,143,691,738-8,280,992,304.60

Finding the Fourth Proportional to 15,321,522,672.60, 21,143,691,738 and 8,280,992,304.60

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Solution

The fourth proportional to 15,321,522,672.60, 21,143,691,738 and 8,280,992,304.60 is: 11,427,764,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321,522,672.60 : 21,143,691,738 = 8,280,992,304.60 : x
  2. Step 2: Convert to fraction form
    15,321,522,672.60/21,143,691,738 = 8,280,992,304.60/x
  3. Step 3: Cross multiply
    15,321,522,672.60x = 21,143,691,738 × 8,280,992,304.60
  4. Step 4: Simplify right side
    15,321,522,672.60x = 175,090,748,573,212,606,464
  5. Step 5: Solve for x
    x = 175,090,748,573,212,606,464/15,321,522,672.60
  6. Step 6: Final answer
    x = 11,427,764,218.65

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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.