Home / 272,629,802,536.80-408,944,703,805.20-257,985,308,052.60

Finding the Fourth Proportional to 272,629,802,536.80, 408,944,703,805.20 and 257,985,308,052.60

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Solution

The fourth proportional to 272,629,802,536.80, 408,944,703,805.20 and 257,985,308,052.60 is: 386,977,962,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,629,802,536.80 : 408,944,703,805.20 = 257,985,308,052.60 : x
  2. Step 2: Convert to fraction form
    272,629,802,536.80/408,944,703,805.20 = 257,985,308,052.60/x
  3. Step 3: Cross multiply
    272,629,802,536.80x = 408,944,703,805.20 × 257,985,308,052.60
  4. Step 4: Simplify right side
    272,629,802,536.80x = 105,501,725,387,663,790,309,376
  5. Step 5: Solve for x
    x = 105,501,725,387,663,790,309,376/272,629,802,536.80
  6. Step 6: Final answer
    x = 386,977,962,078.90

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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.