Home / 9,404,693,844.60-12,978,479,624.04-5,175,605,733.24

Finding the Fourth Proportional to 9,404,693,844.60, 12,978,479,624.04 and 5,175,605,733.24

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Solution

The fourth proportional to 9,404,693,844.60, 12,978,479,624.04 and 5,175,605,733.24 is: 7,142,337,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,404,693,844.60 : 12,978,479,624.04 = 5,175,605,733.24 : x
  2. Step 2: Convert to fraction form
    9,404,693,844.60/12,978,479,624.04 = 5,175,605,733.24/x
  3. Step 3: Cross multiply
    9,404,693,844.60x = 12,978,479,624.04 × 5,175,605,733.24
  4. Step 4: Simplify right side
    9,404,693,844.60x = 67,171,493,550,919,942,144
  5. Step 5: Solve for x
    x = 67,171,493,550,919,942,144/9,404,693,844.60
  6. Step 6: Final answer
    x = 7,142,337,077.72

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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.