Home / 399,278,321.16-598,826,939.58-180,784,424.04

Finding the Fourth Proportional to 399,278,321.16, 598,826,939.58 and 180,784,424.04

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Solution

The fourth proportional to 399,278,321.16, 598,826,939.58 and 180,784,424.04 is: 271,135,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,278,321.16 : 598,826,939.58 = 180,784,424.04 : x
  2. Step 2: Convert to fraction form
    399,278,321.16/598,826,939.58 = 180,784,424.04/x
  3. Step 3: Cross multiply
    399,278,321.16x = 598,826,939.58 × 180,784,424.04
  4. Step 4: Simplify right side
    399,278,321.16x = 108,258,583,371,606,176
  5. Step 5: Solve for x
    x = 108,258,583,371,606,176/399,278,321.16
  6. Step 6: Final answer
    x = 271,135,640.57

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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.