Home / 299,551,485.40-449,327,228.10-197,430,832.60

Finding the Fourth Proportional to 299,551,485.40, 449,327,228.10 and 197,430,832.60

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Solution

The fourth proportional to 299,551,485.40, 449,327,228.10 and 197,430,832.60 is: 296,146,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,551,485.40 : 449,327,228.10 = 197,430,832.60 : x
  2. Step 2: Convert to fraction form
    299,551,485.40/449,327,228.10 = 197,430,832.60/x
  3. Step 3: Cross multiply
    299,551,485.40x = 449,327,228.10 × 197,430,832.60
  4. Step 4: Simplify right side
    299,551,485.40x = 88,711,048,753,633,120
  5. Step 5: Solve for x
    x = 88,711,048,753,633,120/299,551,485.40
  6. Step 6: Final answer
    x = 296,146,248.90

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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.