Home / 363,350,420.40-544,376,091.60-221,121,062.40

Finding the Fourth Proportional to 363,350,420.40, 544,376,091.60 and 221,121,062.40

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Solution

The fourth proportional to 363,350,420.40, 544,376,091.60 and 221,121,062.40 is: 331,286,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,350,420.40 : 544,376,091.60 = 221,121,062.40 : x
  2. Step 2: Convert to fraction form
    363,350,420.40/544,376,091.60 = 221,121,062.40/x
  3. Step 3: Cross multiply
    363,350,420.40x = 544,376,091.60 × 221,121,062.40
  4. Step 4: Simplify right side
    363,350,420.40x = 120,373,019,719,751,728
  5. Step 5: Solve for x
    x = 120,373,019,719,751,728/363,350,420.40
  6. Step 6: Final answer
    x = 331,286,309.20

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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.