Home / 3,991,942,151.57-5,510,576,401.29-2,487,311,896.88

Finding the Fourth Proportional to 3,991,942,151.57, 5,510,576,401.29 and 2,487,311,896.88

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Solution

The fourth proportional to 3,991,942,151.57, 5,510,576,401.29 and 2,487,311,896.88 is: 3,433,547,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,942,151.57 : 5,510,576,401.29 = 2,487,311,896.88 : x
  2. Step 2: Convert to fraction form
    3,991,942,151.57/5,510,576,401.29 = 2,487,311,896.88/x
  3. Step 3: Cross multiply
    3,991,942,151.57x = 5,510,576,401.29 × 2,487,311,896.88
  4. Step 4: Simplify right side
    3,991,942,151.57x = 13,706,522,241,608,570,880
  5. Step 5: Solve for x
    x = 13,706,522,241,608,570,880/3,991,942,151.57
  6. Step 6: Final answer
    x = 3,433,547,311.35

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1.5x scale

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.