Home / 297,788,600.80-446,682,901.20-221,261,096.80

Finding the Fourth Proportional to 297,788,600.80, 446,682,901.20 and 221,261,096.80

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Solution

The fourth proportional to 297,788,600.80, 446,682,901.20 and 221,261,096.80 is: 331,891,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,788,600.80 : 446,682,901.20 = 221,261,096.80 : x
  2. Step 2: Convert to fraction form
    297,788,600.80/446,682,901.20 = 221,261,096.80/x
  3. Step 3: Cross multiply
    297,788,600.80x = 446,682,901.20 × 221,261,096.80
  4. Step 4: Simplify right side
    297,788,600.80x = 98,833,548,641,318,032
  5. Step 5: Solve for x
    x = 98,833,548,641,318,032/297,788,600.80
  6. Step 6: Final answer
    x = 331,891,645.20

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Double scale
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Similar ratio
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1.5x scale

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.