Home / 310,479,040.80-465,718,561.20-264,314,532.60

Finding the Fourth Proportional to 310,479,040.80, 465,718,561.20 and 264,314,532.60

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Solution

The fourth proportional to 310,479,040.80, 465,718,561.20 and 264,314,532.60 is: 396,471,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,479,040.80 : 465,718,561.20 = 264,314,532.60 : x
  2. Step 2: Convert to fraction form
    310,479,040.80/465,718,561.20 = 264,314,532.60/x
  3. Step 3: Cross multiply
    310,479,040.80x = 465,718,561.20 × 264,314,532.60
  4. Step 4: Simplify right side
    310,479,040.80x = 123,096,183,826,722,496
  5. Step 5: Solve for x
    x = 123,096,183,826,722,496/310,479,040.80
  6. Step 6: Final answer
    x = 396,471,798.90

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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.