Home / 3,931,257,861.24-5,425,253,334.51-2,147,195,477.52

Finding the Fourth Proportional to 3,931,257,861.24, 5,425,253,334.51 and 2,147,195,477.52

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Solution

The fourth proportional to 3,931,257,861.24, 5,425,253,334.51 and 2,147,195,477.52 is: 2,963,193,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,257,861.24 : 5,425,253,334.51 = 2,147,195,477.52 : x
  2. Step 2: Convert to fraction form
    3,931,257,861.24/5,425,253,334.51 = 2,147,195,477.52/x
  3. Step 3: Cross multiply
    3,931,257,861.24x = 5,425,253,334.51 × 2,147,195,477.52
  4. Step 4: Simplify right side
    3,931,257,861.24x = 11,649,079,424,260,171,776
  5. Step 5: Solve for x
    x = 11,649,079,424,260,171,776/3,931,257,861.24
  6. Step 6: Final answer
    x = 2,963,193,928.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.