Home / 2,831,526,396.10-4,247,303,037.17-866,376,346.78

Finding the Fourth Proportional to 2,831,526,396.10, 4,247,303,037.17 and 866,376,346.78

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Solution

The fourth proportional to 2,831,526,396.10, 4,247,303,037.17 and 866,376,346.78 is: 1,299,568,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,526,396.10 : 4,247,303,037.17 = 866,376,346.78 : x
  2. Step 2: Convert to fraction form
    2,831,526,396.10/4,247,303,037.17 = 866,376,346.78/x
  3. Step 3: Cross multiply
    2,831,526,396.10x = 4,247,303,037.17 × 866,376,346.78
  4. Step 4: Simplify right side
    2,831,526,396.10x = 3,679,762,889,010,942,976
  5. Step 5: Solve for x
    x = 3,679,762,889,010,942,976/2,831,526,396.10
  6. Step 6: Final answer
    x = 1,299,568,633.40

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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.