Home / 7,871,128,625-11,806,715,351.40-2,275,521,234.40

Finding the Fourth Proportional to 7,871,128,625, 11,806,715,351.40 and 2,275,521,234.40

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Solution

The fourth proportional to 7,871,128,625, 11,806,715,351.40 and 2,275,521,234.40 is: 3,413,288,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871,128,625 : 11,806,715,351.40 = 2,275,521,234.40 : x
  2. Step 2: Convert to fraction form
    7,871,128,625/11,806,715,351.40 = 2,275,521,234.40/x
  3. Step 3: Cross multiply
    7,871,128,625x = 11,806,715,351.40 × 2,275,521,234.40
  4. Step 4: Simplify right side
    7,871,128,625x = 26,866,431,490,627,158,016
  5. Step 5: Solve for x
    x = 26,866,431,490,627,158,016/7,871,128,625
  6. Step 6: Final answer
    x = 3,413,288,331.40

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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.