Home / 448,049,612.20-672,024,651.90-367,129,445.80

Finding the Fourth Proportional to 448,049,612.20, 672,024,651.90 and 367,129,445.80

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Solution

The fourth proportional to 448,049,612.20, 672,024,651.90 and 367,129,445.80 is: 550,653,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,049,612.20 : 672,024,651.90 = 367,129,445.80 : x
  2. Step 2: Convert to fraction form
    448,049,612.20/672,024,651.90 = 367,129,445.80/x
  3. Step 3: Cross multiply
    448,049,612.20x = 672,024,651.90 × 367,129,445.80
  4. Step 4: Simplify right side
    448,049,612.20x = 246,720,038,015,984,928
  5. Step 5: Solve for x
    x = 246,720,038,015,984,928/448,049,612.20
  6. Step 6: Final answer
    x = 550,653,390.38

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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.