Home / 328,720,639.59-453,641,825.75-187,589,050.16

Finding the Fourth Proportional to 328,720,639.59, 453,641,825.75 and 187,589,050.16

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Solution

The fourth proportional to 328,720,639.59, 453,641,825.75 and 187,589,050.16 is: 258,877,079.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,720,639.59 : 453,641,825.75 = 187,589,050.16 : x
  2. Step 2: Convert to fraction form
    328,720,639.59/453,641,825.75 = 187,589,050.16/x
  3. Step 3: Cross multiply
    328,720,639.59x = 453,641,825.75 × 187,589,050.16
  4. Step 4: Simplify right side
    328,720,639.59x = 85,098,239,205,290,720
  5. Step 5: Solve for x
    x = 85,098,239,205,290,720/328,720,639.59
  6. Step 6: Final answer
    x = 258,877,079.67

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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.