Home / 313,243,523.80-469,865,285.70-266,886,122.20

Finding the Fourth Proportional to 313,243,523.80, 469,865,285.70 and 266,886,122.20

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Solution

The fourth proportional to 313,243,523.80, 469,865,285.70 and 266,886,122.20 is: 400,329,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,243,523.80 : 469,865,285.70 = 266,886,122.20 : x
  2. Step 2: Convert to fraction form
    313,243,523.80/469,865,285.70 = 266,886,122.20/x
  3. Step 3: Cross multiply
    313,243,523.80x = 469,865,285.70 × 266,886,122.20
  4. Step 4: Simplify right side
    313,243,523.80x = 125,400,524,056,868,096
  5. Step 5: Solve for x
    x = 125,400,524,056,868,096/313,243,523.80
  6. Step 6: Final answer
    x = 400,329,183.30

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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.