Home / 298,223,257,418.31-447,334,891,336.92-71,582,709,456.18

Finding the Fourth Proportional to 298,223,257,418.31, 447,334,891,336.92 and 71,582,709,456.18

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Solution

The fourth proportional to 298,223,257,418.31, 447,334,891,336.92 and 71,582,709,456.18 is: 107,374,065,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,223,257,418.31 : 447,334,891,336.92 = 71,582,709,456.18 : x
  2. Step 2: Convert to fraction form
    298,223,257,418.31/447,334,891,336.92 = 71,582,709,456.18/x
  3. Step 3: Cross multiply
    298,223,257,418.31x = 447,334,891,336.92 × 71,582,709,456.18
  4. Step 4: Simplify right side
    298,223,257,418.31x = 32,021,443,556,182,591,537,152
  5. Step 5: Solve for x
    x = 32,021,443,556,182,591,537,152/298,223,257,418.31
  6. Step 6: Final answer
    x = 107,374,065,434.70

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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.