Home / 865,897,926.54-1,298,708,629.29-252,338,634.06

Finding the Fourth Proportional to 865,897,926.54, 1,298,708,629.29 and 252,338,634.06

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Solution

The fourth proportional to 865,897,926.54, 1,298,708,629.29 and 252,338,634.06 is: 378,467,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,897,926.54 : 1,298,708,629.29 = 252,338,634.06 : x
  2. Step 2: Convert to fraction form
    865,897,926.54/1,298,708,629.29 = 252,338,634.06/x
  3. Step 3: Cross multiply
    865,897,926.54x = 1,298,708,629.29 × 252,338,634.06
  4. Step 4: Simplify right side
    865,897,926.54x = 327,714,361,556,973,504
  5. Step 5: Solve for x
    x = 327,714,361,556,973,504/865,897,926.54
  6. Step 6: Final answer
    x = 378,467,659.42

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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.