Home / 298,974,016.40-448,524,010.20-126,361,979.60

Finding the Fourth Proportional to 298,974,016.40, 448,524,010.20 and 126,361,979.60

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Solution

The fourth proportional to 298,974,016.40, 448,524,010.20 and 126,361,979.60 is: 189,569,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,974,016.40 : 448,524,010.20 = 126,361,979.60 : x
  2. Step 2: Convert to fraction form
    298,974,016.40/448,524,010.20 = 126,361,979.60/x
  3. Step 3: Cross multiply
    298,974,016.40x = 448,524,010.20 × 126,361,979.60
  4. Step 4: Simplify right side
    298,974,016.40x = 56,676,381,827,002,584
  5. Step 5: Solve for x
    x = 56,676,381,827,002,584/298,974,016.40
  6. Step 6: Final answer
    x = 189,569,590.39

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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.