Home / 448,055,917.20-672,034,109.40-367,135,750.80

Finding the Fourth Proportional to 448,055,917.20, 672,034,109.40 and 367,135,750.80

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Solution

The fourth proportional to 448,055,917.20, 672,034,109.40 and 367,135,750.80 is: 550,662,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,055,917.20 : 672,034,109.40 = 367,135,750.80 : x
  2. Step 2: Convert to fraction form
    448,055,917.20/672,034,109.40 = 367,135,750.80/x
  3. Step 3: Cross multiply
    448,055,917.20x = 672,034,109.40 × 367,135,750.80
  4. Step 4: Simplify right side
    448,055,917.20x = 246,727,747,317,778,336
  5. Step 5: Solve for x
    x = 246,727,747,317,778,336/448,055,917.20
  6. Step 6: Final answer
    x = 550,662,847.75

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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.