Home / 1,320,897,217,326.90-1,822,809,589,282.60-764,725,798,396.20

Finding the Fourth Proportional to 1,320,897,217,326.90, 1,822,809,589,282.60 and 764,725,798,396.20

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Solution

The fourth proportional to 1,320,897,217,326.90, 1,822,809,589,282.60 and 764,725,798,396.20 is: 1,055,305,060,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,897,217,326.90 : 1,822,809,589,282.60 = 764,725,798,396.20 : x
  2. Step 2: Convert to fraction form
    1,320,897,217,326.90/1,822,809,589,282.60 = 764,725,798,396.20/x
  3. Step 3: Cross multiply
    1,320,897,217,326.90x = 1,822,809,589,282.60 × 764,725,798,396.20
  4. Step 4: Simplify right side
    1,320,897,217,326.90x = 1,393,949,518,488,385,764,720,640
  5. Step 5: Solve for x
    x = 1,393,949,518,488,385,764,720,640/1,320,897,217,326.90
  6. Step 6: Final answer
    x = 1,055,305,060,986.74

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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.