Home / 980,059,643.60-1,469,664,312.60-324,757,461.20

Finding the Fourth Proportional to 980,059,643.60, 1,469,664,312.60 and 324,757,461.20

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Solution

The fourth proportional to 980,059,643.60, 1,469,664,312.60 and 324,757,461.20 is: 486,995,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,059,643.60 : 1,469,664,312.60 = 324,757,461.20 : x
  2. Step 2: Convert to fraction form
    980,059,643.60/1,469,664,312.60 = 324,757,461.20/x
  3. Step 3: Cross multiply
    980,059,643.60x = 1,469,664,312.60 × 324,757,461.20
  4. Step 4: Simplify right side
    980,059,643.60x = 477,284,450,976,219,136
  5. Step 5: Solve for x
    x = 477,284,450,976,219,136/980,059,643.60
  6. Step 6: Final answer
    x = 486,995,311.04

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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.