Home / 298,951,501.40-448,427,252.10-221,467,403.60

Finding the Fourth Proportional to 298,951,501.40, 448,427,252.10 and 221,467,403.60

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Solution

The fourth proportional to 298,951,501.40, 448,427,252.10 and 221,467,403.60 is: 332,201,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,951,501.40 : 448,427,252.10 = 221,467,403.60 : x
  2. Step 2: Convert to fraction form
    298,951,501.40/448,427,252.10 = 221,467,403.60/x
  3. Step 3: Cross multiply
    298,951,501.40x = 448,427,252.10 × 221,467,403.60
  4. Step 4: Simplify right side
    298,951,501.40x = 99,312,019,226,069,648
  5. Step 5: Solve for x
    x = 99,312,019,226,069,648/298,951,501.40
  6. Step 6: Final answer
    x = 332,201,105.40

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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.