Home / 10,399,205,453.65-15,608,895,140.90-5,018,632,655.33

Finding the Fourth Proportional to 10,399,205,453.65, 15,608,895,140.90 and 5,018,632,655.33

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Solution

The fourth proportional to 10,399,205,453.65, 15,608,895,140.90 and 5,018,632,655.33 is: 7,532,816,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399,205,453.65 : 15,608,895,140.90 = 5,018,632,655.33 : x
  2. Step 2: Convert to fraction form
    10,399,205,453.65/15,608,895,140.90 = 5,018,632,655.33/x
  3. Step 3: Cross multiply
    10,399,205,453.65x = 15,608,895,140.90 × 5,018,632,655.33
  4. Step 4: Simplify right side
    10,399,205,453.65x = 78,335,310,867,672,481,792
  5. Step 5: Solve for x
    x = 78,335,310,867,672,481,792/10,399,205,453.65
  6. Step 6: Final answer
    x = 7,532,816,926.91

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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.