Home / 680,158,414,766.67-938,613,034,299.52-371,509,970,625.24

Finding the Fourth Proportional to 680,158,414,766.67, 938,613,034,299.52 and 371,509,970,625.24

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Solution

The fourth proportional to 680,158,414,766.67, 938,613,034,299.52 and 371,509,970,625.24 is: 512,680,712,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,158,414,766.67 : 938,613,034,299.52 = 371,509,970,625.24 : x
  2. Step 2: Convert to fraction form
    680,158,414,766.67/938,613,034,299.52 = 371,509,970,625.24/x
  3. Step 3: Cross multiply
    680,158,414,766.67x = 938,613,034,299.52 × 371,509,970,625.24
  4. Step 4: Simplify right side
    680,158,414,766.67x = 348,704,100,801,082,032,128,000
  5. Step 5: Solve for x
    x = 348,704,100,801,082,032,128,000/680,158,414,766.67
  6. Step 6: Final answer
    x = 512,680,712,655.31

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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.