Home / 1,992,452,540,739.60-2,749,587,157,790.40-1,078,971,084,074.30

Finding the Fourth Proportional to 1,992,452,540,739.60, 2,749,587,157,790.40 and 1,078,971,084,074.30

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Solution

The fourth proportional to 1,992,452,540,739.60, 2,749,587,157,790.40 and 1,078,971,084,074.30 is: 1,488,981,531,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,452,540,739.60 : 2,749,587,157,790.40 = 1,078,971,084,074.30 : x
  2. Step 2: Convert to fraction form
    1,992,452,540,739.60/2,749,587,157,790.40 = 1,078,971,084,074.30/x
  3. Step 3: Cross multiply
    1,992,452,540,739.60x = 2,749,587,157,790.40 × 1,078,971,084,074.30
  4. Step 4: Simplify right side
    1,992,452,540,739.60x = 2,966,725,036,397,881,276,235,776
  5. Step 5: Solve for x
    x = 2,966,725,036,397,881,276,235,776/1,992,452,540,739.60
  6. Step 6: Final answer
    x = 1,488,981,531,924.79

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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.