Home / 448,389,969.60-672,584,954.40-275,305,540.80

Finding the Fourth Proportional to 448,389,969.60, 672,584,954.40 and 275,305,540.80

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Solution

The fourth proportional to 448,389,969.60, 672,584,954.40 and 275,305,540.80 is: 412,958,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,389,969.60 : 672,584,954.40 = 275,305,540.80 : x
  2. Step 2: Convert to fraction form
    448,389,969.60/672,584,954.40 = 275,305,540.80/x
  3. Step 3: Cross multiply
    448,389,969.60x = 672,584,954.40 × 275,305,540.80
  4. Step 4: Simplify right side
    448,389,969.60x = 185,166,364,605,035,328
  5. Step 5: Solve for x
    x = 185,166,364,605,035,328/448,389,969.60
  6. Step 6: Final answer
    x = 412,958,311.20

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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.