Home / 327,111,567.40-490,667,351.10-189,362,060.20

Finding the Fourth Proportional to 327,111,567.40, 490,667,351.10 and 189,362,060.20

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Solution

The fourth proportional to 327,111,567.40, 490,667,351.10 and 189,362,060.20 is: 284,043,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,111,567.40 : 490,667,351.10 = 189,362,060.20 : x
  2. Step 2: Convert to fraction form
    327,111,567.40/490,667,351.10 = 189,362,060.20/x
  3. Step 3: Cross multiply
    327,111,567.40x = 490,667,351.10 × 189,362,060.20
  4. Step 4: Simplify right side
    327,111,567.40x = 92,913,780,477,172,736
  5. Step 5: Solve for x
    x = 92,913,780,477,172,736/327,111,567.40
  6. Step 6: Final answer
    x = 284,043,090.30

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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.