Home / 394,088,680.10-591,133,020.15-248,969,857.70

Finding the Fourth Proportional to 394,088,680.10, 591,133,020.15 and 248,969,857.70

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Solution

The fourth proportional to 394,088,680.10, 591,133,020.15 and 248,969,857.70 is: 373,454,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,088,680.10 : 591,133,020.15 = 248,969,857.70 : x
  2. Step 2: Convert to fraction form
    394,088,680.10/591,133,020.15 = 248,969,857.70/x
  3. Step 3: Cross multiply
    394,088,680.10x = 591,133,020.15 × 248,969,857.70
  4. Step 4: Simplify right side
    394,088,680.10x = 147,174,303,908,516,704
  5. Step 5: Solve for x
    x = 147,174,303,908,516,704/394,088,680.10
  6. Step 6: Final answer
    x = 373,454,786.55

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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.