Home / 738,149,816.80-1,107,140,744.40-192,946,463.20

Finding the Fourth Proportional to 738,149,816.80, 1,107,140,744.40 and 192,946,463.20

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Solution

The fourth proportional to 738,149,816.80, 1,107,140,744.40 and 192,946,463.20 is: 289,397,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,149,816.80 : 1,107,140,744.40 = 192,946,463.20 : x
  2. Step 2: Convert to fraction form
    738,149,816.80/1,107,140,744.40 = 192,946,463.20/x
  3. Step 3: Cross multiply
    738,149,816.80x = 1,107,140,744.40 × 192,946,463.20
  4. Step 4: Simplify right side
    738,149,816.80x = 213,618,890,896,595,200
  5. Step 5: Solve for x
    x = 213,618,890,896,595,200/738,149,816.80
  6. Step 6: Final answer
    x = 289,397,742.89

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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.