Home / 312,321,724.50-465,690,347.34-303,740,965.74

Finding the Fourth Proportional to 312,321,724.50, 465,690,347.34 and 303,740,965.74

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Solution

The fourth proportional to 312,321,724.50, 465,690,347.34 and 303,740,965.74 is: 452,895,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,321,724.50 : 465,690,347.34 = 303,740,965.74 : x
  2. Step 2: Convert to fraction form
    312,321,724.50/465,690,347.34 = 303,740,965.74/x
  3. Step 3: Cross multiply
    312,321,724.50x = 465,690,347.34 × 303,740,965.74
  4. Step 4: Simplify right side
    312,321,724.50x = 141,449,235,836,847,632
  5. Step 5: Solve for x
    x = 141,449,235,836,847,632/312,321,724.50
  6. Step 6: Final answer
    x = 452,895,923.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.