Home / 298,951,497.90-448,427,246.85-221,467,400.10

Finding the Fourth Proportional to 298,951,497.90, 448,427,246.85 and 221,467,400.10

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Solution

The fourth proportional to 298,951,497.90, 448,427,246.85 and 221,467,400.10 is: 332,201,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,951,497.90 : 448,427,246.85 = 221,467,400.10 : x
  2. Step 2: Convert to fraction form
    298,951,497.90/448,427,246.85 = 221,467,400.10/x
  3. Step 3: Cross multiply
    298,951,497.90x = 448,427,246.85 × 221,467,400.10
  4. Step 4: Simplify right side
    298,951,497.90x = 99,312,016,493,870,416
  5. Step 5: Solve for x
    x = 99,312,016,493,870,416/298,951,497.90
  6. Step 6: Final answer
    x = 332,201,100.15

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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.