Home / 298,950,905.40-448,426,358.10-271,687,982.10

Finding the Fourth Proportional to 298,950,905.40, 448,426,358.10 and 271,687,982.10

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Solution

The fourth proportional to 298,950,905.40, 448,426,358.10 and 271,687,982.10 is: 407,531,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,950,905.40 : 448,426,358.10 = 271,687,982.10 : x
  2. Step 2: Convert to fraction form
    298,950,905.40/448,426,358.10 = 271,687,982.10/x
  3. Step 3: Cross multiply
    298,950,905.40x = 448,426,358.10 × 271,687,982.10
  4. Step 4: Simplify right side
    298,950,905.40x = 121,832,052,352,641,008
  5. Step 5: Solve for x
    x = 121,832,052,352,641,008/298,950,905.40
  6. Step 6: Final answer
    x = 407,531,973.15

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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.