Home / 291,350,315.70-437,025,473.55-199,517,310.90

Finding the Fourth Proportional to 291,350,315.70, 437,025,473.55 and 199,517,310.90

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Solution

The fourth proportional to 291,350,315.70, 437,025,473.55 and 199,517,310.90 is: 299,275,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,350,315.70 : 437,025,473.55 = 199,517,310.90 : x
  2. Step 2: Convert to fraction form
    291,350,315.70/437,025,473.55 = 199,517,310.90/x
  3. Step 3: Cross multiply
    291,350,315.70x = 437,025,473.55 × 199,517,310.90
  4. Step 4: Simplify right side
    291,350,315.70x = 87,194,147,277,495,088
  5. Step 5: Solve for x
    x = 87,194,147,277,495,088/291,350,315.70
  6. Step 6: Final answer
    x = 299,275,966.35

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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.