Home / 680,197,305,131.10-938,672,245,182.86-367,337,658,911.28

Finding the Fourth Proportional to 680,197,305,131.10, 938,672,245,182.86 and 367,337,658,911.28

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Solution

The fourth proportional to 680,197,305,131.10, 938,672,245,182.86 and 367,337,658,911.28 is: 506,925,949,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,197,305,131.10 : 938,672,245,182.86 = 367,337,658,911.28 : x
  2. Step 2: Convert to fraction form
    680,197,305,131.10/938,672,245,182.86 = 367,337,658,911.28/x
  3. Step 3: Cross multiply
    680,197,305,131.10x = 938,672,245,182.86 × 367,337,658,911.28
  4. Step 4: Simplify right side
    680,197,305,131.10x = 344,809,665,030,466,859,696,128
  5. Step 5: Solve for x
    x = 344,809,665,030,466,859,696,128/680,197,305,131.10
  6. Step 6: Final answer
    x = 506,925,949,910.97

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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.