Home / 328,720,639.34-453,641,825.40-187,589,049.91

Finding the Fourth Proportional to 328,720,639.34, 453,641,825.40 and 187,589,049.91

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Solution

The fourth proportional to 328,720,639.34, 453,641,825.40 and 187,589,049.91 is: 258,877,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,720,639.34 : 453,641,825.40 = 187,589,049.91 : x
  2. Step 2: Convert to fraction form
    328,720,639.34/453,641,825.40 = 187,589,049.91/x
  3. Step 3: Cross multiply
    328,720,639.34x = 453,641,825.40 × 187,589,049.91
  4. Step 4: Simplify right side
    328,720,639.34x = 85,098,239,026,224,096
  5. Step 5: Solve for x
    x = 85,098,239,026,224,096/328,720,639.34
  6. Step 6: Final answer
    x = 258,877,079.33

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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.