Home / 1,640,612,079,812.80-2,458,959,015,616.80-685,548,829,892.80

Finding the Fourth Proportional to 1,640,612,079,812.80, 2,458,959,015,616.80 and 685,548,829,892.80

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Solution

The fourth proportional to 1,640,612,079,812.80, 2,458,959,015,616.80 and 685,548,829,892.80 is: 1,027,504,610,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,612,079,812.80 : 2,458,959,015,616.80 = 685,548,829,892.80 : x
  2. Step 2: Convert to fraction form
    1,640,612,079,812.80/2,458,959,015,616.80 = 685,548,829,892.80/x
  3. Step 3: Cross multiply
    1,640,612,079,812.80x = 2,458,959,015,616.80 × 685,548,829,892.80
  4. Step 4: Simplify right side
    1,640,612,079,812.80x = 1,685,736,475,910,448,527,441,920
  5. Step 5: Solve for x
    x = 1,685,736,475,910,448,527,441,920/1,640,612,079,812.80
  6. Step 6: Final answer
    x = 1,027,504,610,415.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.