Home / 818,137,070.31-1,227,377,959.75-265,396,339.68

Finding the Fourth Proportional to 818,137,070.31, 1,227,377,959.75 and 265,396,339.68

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Solution

The fourth proportional to 818,137,070.31, 1,227,377,959.75 and 265,396,339.68 is: 398,150,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,137,070.31 : 1,227,377,959.75 = 265,396,339.68 : x
  2. Step 2: Convert to fraction form
    818,137,070.31/1,227,377,959.75 = 265,396,339.68/x
  3. Step 3: Cross multiply
    818,137,070.31x = 1,227,377,959.75 × 265,396,339.68
  4. Step 4: Simplify right side
    818,137,070.31x = 325,741,617,921,556,352
  5. Step 5: Solve for x
    x = 325,741,617,921,556,352/818,137,070.31
  6. Step 6: Final answer
    x = 398,150,419.71

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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.