Home / 328,720,640.83-453,641,827.47-187,589,051.41

Finding the Fourth Proportional to 328,720,640.83, 453,641,827.47 and 187,589,051.41

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Solution

The fourth proportional to 328,720,640.83, 453,641,827.47 and 187,589,051.41 is: 258,877,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,720,640.83 : 453,641,827.47 = 187,589,051.41 : x
  2. Step 2: Convert to fraction form
    328,720,640.83/453,641,827.47 = 187,589,051.41/x
  3. Step 3: Cross multiply
    328,720,640.83x = 453,641,827.47 × 187,589,051.41
  4. Step 4: Simplify right side
    328,720,640.83x = 85,098,240,094,996,176
  5. Step 5: Solve for x
    x = 85,098,240,094,996,176/328,720,640.83
  6. Step 6: Final answer
    x = 258,877,081.40

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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.