Home / 311,177,077.80-466,765,616.70-293,320,660.20

Finding the Fourth Proportional to 311,177,077.80, 466,765,616.70 and 293,320,660.20

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Solution

The fourth proportional to 311,177,077.80, 466,765,616.70 and 293,320,660.20 is: 439,980,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,177,077.80 : 466,765,616.70 = 293,320,660.20 : x
  2. Step 2: Convert to fraction form
    311,177,077.80/466,765,616.70 = 293,320,660.20/x
  3. Step 3: Cross multiply
    311,177,077.80x = 466,765,616.70 × 293,320,660.20
  4. Step 4: Simplify right side
    311,177,077.80x = 136,911,998,849,104,144
  5. Step 5: Solve for x
    x = 136,911,998,849,104,144/311,177,077.80
  6. Step 6: Final answer
    x = 439,980,990.30

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1.5x scale

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.