Home / 1,182,212,387,185.40-1,773,139,405,932.40-321,753,608,649.78

Finding the Fourth Proportional to 1,182,212,387,185.40, 1,773,139,405,932.40 and 321,753,608,649.78

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Solution

The fourth proportional to 1,182,212,387,185.40, 1,773,139,405,932.40 and 321,753,608,649.78 is: 482,581,648,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,212,387,185.40 : 1,773,139,405,932.40 = 321,753,608,649.78 : x
  2. Step 2: Convert to fraction form
    1,182,212,387,185.40/1,773,139,405,932.40 = 321,753,608,649.78/x
  3. Step 3: Cross multiply
    1,182,212,387,185.40x = 1,773,139,405,932.40 × 321,753,608,649.78
  4. Step 4: Simplify right side
    1,182,212,387,185.40x = 570,514,002,497,876,827,045,888
  5. Step 5: Solve for x
    x = 570,514,002,497,876,827,045,888/1,182,212,387,185.40
  6. Step 6: Final answer
    x = 482,581,648,341.68

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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.