Home / 451,584,042.40-677,376,063.60-448,398,992.80

Finding the Fourth Proportional to 451,584,042.40, 677,376,063.60 and 448,398,992.80

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Solution

The fourth proportional to 451,584,042.40, 677,376,063.60 and 448,398,992.80 is: 672,598,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,584,042.40 : 677,376,063.60 = 448,398,992.80 : x
  2. Step 2: Convert to fraction form
    451,584,042.40/677,376,063.60 = 448,398,992.80/x
  3. Step 3: Cross multiply
    451,584,042.40x = 677,376,063.60 × 448,398,992.80
  4. Step 4: Simplify right side
    451,584,042.40x = 303,734,744,665,068,736
  5. Step 5: Solve for x
    x = 303,734,744,665,068,736/451,584,042.40
  6. Step 6: Final answer
    x = 672,598,489.20

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1.5x scale

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.