Home / 42,386,588,405.80-63,579,882,608.70-12,942,584,002.60

Finding the Fourth Proportional to 42,386,588,405.80, 63,579,882,608.70 and 12,942,584,002.60

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Solution

The fourth proportional to 42,386,588,405.80, 63,579,882,608.70 and 12,942,584,002.60 is: 19,413,876,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386,588,405.80 : 63,579,882,608.70 = 12,942,584,002.60 : x
  2. Step 2: Convert to fraction form
    42,386,588,405.80/63,579,882,608.70 = 12,942,584,002.60/x
  3. Step 3: Cross multiply
    42,386,588,405.80x = 63,579,882,608.70 × 12,942,584,002.60
  4. Step 4: Simplify right side
    42,386,588,405.80x = 822,887,971,538,546,589,696
  5. Step 5: Solve for x
    x = 822,887,971,538,546,589,696/42,386,588,405.80
  6. Step 6: Final answer
    x = 19,413,876,003.90

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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.