Home / 328,720,640.08-453,641,826.43-187,589,050.66

Finding the Fourth Proportional to 328,720,640.08, 453,641,826.43 and 187,589,050.66

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Solution

The fourth proportional to 328,720,640.08, 453,641,826.43 and 187,589,050.66 is: 258,877,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,720,640.08 : 453,641,826.43 = 187,589,050.66 : x
  2. Step 2: Convert to fraction form
    328,720,640.08/453,641,826.43 = 187,589,050.66/x
  3. Step 3: Cross multiply
    328,720,640.08x = 453,641,826.43 × 187,589,050.66
  4. Step 4: Simplify right side
    328,720,640.08x = 85,098,239,559,672,192
  5. Step 5: Solve for x
    x = 85,098,239,559,672,192/328,720,640.08
  6. Step 6: Final answer
    x = 258,877,080.37

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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.