Home / 448,049,604.20-672,024,639.90-367,129,437.80

Finding the Fourth Proportional to 448,049,604.20, 672,024,639.90 and 367,129,437.80

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Solution

The fourth proportional to 448,049,604.20, 672,024,639.90 and 367,129,437.80 is: 550,653,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,049,604.20 : 672,024,639.90 = 367,129,437.80 : x
  2. Step 2: Convert to fraction form
    448,049,604.20/672,024,639.90 = 367,129,437.80/x
  3. Step 3: Cross multiply
    448,049,604.20x = 672,024,639.90 × 367,129,437.80
  4. Step 4: Simplify right side
    448,049,604.20x = 246,720,028,234,234,432
  5. Step 5: Solve for x
    x = 246,720,028,234,234,432/448,049,604.20
  6. Step 6: Final answer
    x = 550,653,378.38

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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.