Home / 402,787,580.80-603,614,500.80-298,341,709.60

Finding the Fourth Proportional to 402,787,580.80, 603,614,500.80 and 298,341,709.60

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Solution

The fourth proportional to 402,787,580.80, 603,614,500.80 and 298,341,709.60 is: 447,092,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,787,580.80 : 603,614,500.80 = 298,341,709.60 : x
  2. Step 2: Convert to fraction form
    402,787,580.80/603,614,500.80 = 298,341,709.60/x
  3. Step 3: Cross multiply
    402,787,580.80x = 603,614,500.80 × 298,341,709.60
  4. Step 4: Simplify right side
    402,787,580.80x = 180,083,382,108,022,560
  5. Step 5: Solve for x
    x = 180,083,382,108,022,560/402,787,580.80
  6. Step 6: Final answer
    x = 447,092,687.79

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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.