Home / 445,481,104.80-668,221,657.20-415,248,016.80

Finding the Fourth Proportional to 445,481,104.80, 668,221,657.20 and 415,248,016.80

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Solution

The fourth proportional to 445,481,104.80, 668,221,657.20 and 415,248,016.80 is: 622,872,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,481,104.80 : 668,221,657.20 = 415,248,016.80 : x
  2. Step 2: Convert to fraction form
    445,481,104.80/668,221,657.20 = 415,248,016.80/x
  3. Step 3: Cross multiply
    445,481,104.80x = 668,221,657.20 × 415,248,016.80
  4. Step 4: Simplify right side
    445,481,104.80x = 277,477,717,935,109,472
  5. Step 5: Solve for x
    x = 277,477,717,935,109,472/445,481,104.80
  6. Step 6: Final answer
    x = 622,872,025.20

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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.