Home / 680,158,414,767.05-938,613,034,300.05-371,509,970,625.61

Finding the Fourth Proportional to 680,158,414,767.05, 938,613,034,300.05 and 371,509,970,625.61

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Solution

The fourth proportional to 680,158,414,767.05, 938,613,034,300.05 and 371,509,970,625.61 is: 512,680,712,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,158,414,767.05 : 938,613,034,300.05 = 371,509,970,625.61 : x
  2. Step 2: Convert to fraction form
    680,158,414,767.05/938,613,034,300.05 = 371,509,970,625.61/x
  3. Step 3: Cross multiply
    680,158,414,767.05x = 938,613,034,300.05 × 371,509,970,625.61
  4. Step 4: Simplify right side
    680,158,414,767.05x = 348,704,100,801,626,217,906,176
  5. Step 5: Solve for x
    x = 348,704,100,801,626,217,906,176/680,158,414,767.05
  6. Step 6: Final answer
    x = 512,680,712,655.82

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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.