Home / 298,760,747.60-448,141,121.40-271,976,121.20

Finding the Fourth Proportional to 298,760,747.60, 448,141,121.40 and 271,976,121.20

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Solution

The fourth proportional to 298,760,747.60, 448,141,121.40 and 271,976,121.20 is: 407,964,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,760,747.60 : 448,141,121.40 = 271,976,121.20 : x
  2. Step 2: Convert to fraction form
    298,760,747.60/448,141,121.40 = 271,976,121.20/x
  3. Step 3: Cross multiply
    298,760,747.60x = 448,141,121.40 × 271,976,121.20
  4. Step 4: Simplify right side
    298,760,747.60x = 121,883,683,948,590,304
  5. Step 5: Solve for x
    x = 121,883,683,948,590,304/298,760,747.60
  6. Step 6: Final answer
    x = 407,964,181.80

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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.