Home / 1,224,795,774,419.90-1,690,212,275,564.20-676,082,279,616.55

Finding the Fourth Proportional to 1,224,795,774,419.90, 1,690,212,275,564.20 and 676,082,279,616.55

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Solution

The fourth proportional to 1,224,795,774,419.90, 1,690,212,275,564.20 and 676,082,279,616.55 is: 932,990,292,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,795,774,419.90 : 1,690,212,275,564.20 = 676,082,279,616.55 : x
  2. Step 2: Convert to fraction form
    1,224,795,774,419.90/1,690,212,275,564.20 = 676,082,279,616.55/x
  3. Step 3: Cross multiply
    1,224,795,774,419.90x = 1,690,212,275,564.20 × 676,082,279,616.55
  4. Step 4: Simplify right side
    1,224,795,774,419.90x = 1,142,722,568,299,320,730,189,824
  5. Step 5: Solve for x
    x = 1,142,722,568,299,320,730,189,824/1,224,795,774,419.90
  6. Step 6: Final answer
    x = 932,990,292,884.17

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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.