Home / 310,479,541.80-465,719,312.70-264,315,033.60

Finding the Fourth Proportional to 310,479,541.80, 465,719,312.70 and 264,315,033.60

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Solution

The fourth proportional to 310,479,541.80, 465,719,312.70 and 264,315,033.60 is: 396,472,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,479,541.80 : 465,719,312.70 = 264,315,033.60 : x
  2. Step 2: Convert to fraction form
    310,479,541.80/465,719,312.70 = 264,315,033.60/x
  3. Step 3: Cross multiply
    310,479,541.80x = 465,719,312.70 × 264,315,033.60
  4. Step 4: Simplify right side
    310,479,541.80x = 123,096,615,784,469,408
  5. Step 5: Solve for x
    x = 123,096,615,784,469,408/310,479,541.80
  6. Step 6: Final answer
    x = 396,472,550.40

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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.