Home / 448,128,576.80-672,192,865.20-107,726,400.80

Finding the Fourth Proportional to 448,128,576.80, 672,192,865.20 and 107,726,400.80

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Solution

The fourth proportional to 448,128,576.80, 672,192,865.20 and 107,726,400.80 is: 161,589,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,128,576.80 : 672,192,865.20 = 107,726,400.80 : x
  2. Step 2: Convert to fraction form
    448,128,576.80/672,192,865.20 = 107,726,400.80/x
  3. Step 3: Cross multiply
    448,128,576.80x = 672,192,865.20 × 107,726,400.80
  4. Step 4: Simplify right side
    448,128,576.80x = 72,412,918,011,435,568
  5. Step 5: Solve for x
    x = 72,412,918,011,435,568/448,128,576.80
  6. Step 6: Final answer
    x = 161,589,601.20

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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.