Home / 328,720,639.15-453,641,825.14-187,589,049.73

Finding the Fourth Proportional to 328,720,639.15, 453,641,825.14 and 187,589,049.73

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Solution

The fourth proportional to 328,720,639.15, 453,641,825.14 and 187,589,049.73 is: 258,877,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,720,639.15 : 453,641,825.14 = 187,589,049.73 : x
  2. Step 2: Convert to fraction form
    328,720,639.15/453,641,825.14 = 187,589,049.73/x
  3. Step 3: Cross multiply
    328,720,639.15x = 453,641,825.14 × 187,589,049.73
  4. Step 4: Simplify right side
    328,720,639.15x = 85,098,238,893,527,216
  5. Step 5: Solve for x
    x = 85,098,238,893,527,216/328,720,639.15
  6. Step 6: Final answer
    x = 258,877,079.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.