Home / 328,720,640.59-453,641,827.13-187,589,051.16

Finding the Fourth Proportional to 328,720,640.59, 453,641,827.13 and 187,589,051.16

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Solution

The fourth proportional to 328,720,640.59, 453,641,827.13 and 187,589,051.16 is: 258,877,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,720,640.59 : 453,641,827.13 = 187,589,051.16 : x
  2. Step 2: Convert to fraction form
    328,720,640.59/453,641,827.13 = 187,589,051.16/x
  3. Step 3: Cross multiply
    328,720,640.59x = 453,641,827.13 × 187,589,051.16
  4. Step 4: Simplify right side
    328,720,640.59x = 85,098,239,917,805,440
  5. Step 5: Solve for x
    x = 85,098,239,917,805,440/328,720,640.59
  6. Step 6: Final answer
    x = 258,877,081.05

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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.