Home / 436,965,487.20-655,448,230.80-178,039,558.80

Finding the Fourth Proportional to 436,965,487.20, 655,448,230.80 and 178,039,558.80

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Solution

The fourth proportional to 436,965,487.20, 655,448,230.80 and 178,039,558.80 is: 267,059,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,965,487.20 : 655,448,230.80 = 178,039,558.80 : x
  2. Step 2: Convert to fraction form
    436,965,487.20/655,448,230.80 = 178,039,558.80/x
  3. Step 3: Cross multiply
    436,965,487.20x = 655,448,230.80 × 178,039,558.80
  4. Step 4: Simplify right side
    436,965,487.20x = 116,695,713,827,872,576
  5. Step 5: Solve for x
    x = 116,695,713,827,872,576/436,965,487.20
  6. Step 6: Final answer
    x = 267,059,338.20

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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.