Home / 12,758,307,218.40-19,141,044,008.40-6,215,419,077.60

Finding the Fourth Proportional to 12,758,307,218.40, 19,141,044,008.40 and 6,215,419,077.60

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Solution

The fourth proportional to 12,758,307,218.40, 19,141,044,008.40 and 6,215,419,077.60 is: 9,324,874,221.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758,307,218.40 : 19,141,044,008.40 = 6,215,419,077.60 : x
  2. Step 2: Convert to fraction form
    12,758,307,218.40/19,141,044,008.40 = 6,215,419,077.60/x
  3. Step 3: Cross multiply
    12,758,307,218.40x = 19,141,044,008.40 × 6,215,419,077.60
  4. Step 4: Simplify right side
    12,758,307,218.40x = 118,969,610,094,990,557,184
  5. Step 5: Solve for x
    x = 118,969,610,094,990,557,184/12,758,307,218.40
  6. Step 6: Final answer
    x = 9,324,874,221.83

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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.