Home / 603,402,236.30-905,103,354.45-215,662,882.70

Finding the Fourth Proportional to 603,402,236.30, 905,103,354.45 and 215,662,882.70

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Solution

The fourth proportional to 603,402,236.30, 905,103,354.45 and 215,662,882.70 is: 323,494,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,402,236.30 : 905,103,354.45 = 215,662,882.70 : x
  2. Step 2: Convert to fraction form
    603,402,236.30/905,103,354.45 = 215,662,882.70/x
  3. Step 3: Cross multiply
    603,402,236.30x = 905,103,354.45 × 215,662,882.70
  4. Step 4: Simplify right side
    603,402,236.30x = 195,197,198,562,126,880
  5. Step 5: Solve for x
    x = 195,197,198,562,126,880/603,402,236.30
  6. Step 6: Final answer
    x = 323,494,324.05

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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.