Home / 448,049,599.20-672,024,632.40-367,129,432.80

Finding the Fourth Proportional to 448,049,599.20, 672,024,632.40 and 367,129,432.80

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Solution

The fourth proportional to 448,049,599.20, 672,024,632.40 and 367,129,432.80 is: 550,653,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,049,599.20 : 672,024,632.40 = 367,129,432.80 : x
  2. Step 2: Convert to fraction form
    448,049,599.20/672,024,632.40 = 367,129,432.80/x
  3. Step 3: Cross multiply
    448,049,599.20x = 672,024,632.40 × 367,129,432.80
  4. Step 4: Simplify right side
    448,049,599.20x = 246,720,022,120,640,512
  5. Step 5: Solve for x
    x = 246,720,022,120,640,512/448,049,599.20
  6. Step 6: Final answer
    x = 550,653,370.88

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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.