Home / 7,181,214,857.18-10,762,478,912.28-2,921,942,515.22

Finding the Fourth Proportional to 7,181,214,857.18, 10,762,478,912.28 and 2,921,942,515.22

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Solution

The fourth proportional to 7,181,214,857.18, 10,762,478,912.28 and 2,921,942,515.22 is: 4,379,112,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181,214,857.18 : 10,762,478,912.28 = 2,921,942,515.22 : x
  2. Step 2: Convert to fraction form
    7,181,214,857.18/10,762,478,912.28 = 2,921,942,515.22/x
  3. Step 3: Cross multiply
    7,181,214,857.18x = 10,762,478,912.28 × 2,921,942,515.22
  4. Step 4: Simplify right side
    7,181,214,857.18x = 31,447,344,702,988,226,560
  5. Step 5: Solve for x
    x = 31,447,344,702,988,226,560/7,181,214,857.18
  6. Step 6: Final answer
    x = 4,379,112,076.22

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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.