Home / 297,890,820.80-446,836,231.20-144,835,812.80

Finding the Fourth Proportional to 297,890,820.80, 446,836,231.20 and 144,835,812.80

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Solution

The fourth proportional to 297,890,820.80, 446,836,231.20 and 144,835,812.80 is: 217,253,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,890,820.80 : 446,836,231.20 = 144,835,812.80 : x
  2. Step 2: Convert to fraction form
    297,890,820.80/446,836,231.20 = 144,835,812.80/x
  3. Step 3: Cross multiply
    297,890,820.80x = 446,836,231.20 × 144,835,812.80
  4. Step 4: Simplify right side
    297,890,820.80x = 64,717,888,734,340,720
  5. Step 5: Solve for x
    x = 64,717,888,734,340,720/297,890,820.80
  6. Step 6: Final answer
    x = 217,253,719.20

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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.