Home / 1,182,212,387,184.40-1,773,139,405,930.90-321,753,608,648.78

Finding the Fourth Proportional to 1,182,212,387,184.40, 1,773,139,405,930.90 and 321,753,608,648.78

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Solution

The fourth proportional to 1,182,212,387,184.40, 1,773,139,405,930.90 and 321,753,608,648.78 is: 482,581,648,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,212,387,184.40 : 1,773,139,405,930.90 = 321,753,608,648.78 : x
  2. Step 2: Convert to fraction form
    1,182,212,387,184.40/1,773,139,405,930.90 = 321,753,608,648.78/x
  3. Step 3: Cross multiply
    1,182,212,387,184.40x = 1,773,139,405,930.90 × 321,753,608,648.78
  4. Step 4: Simplify right side
    1,182,212,387,184.40x = 570,514,002,495,621,096,800,256
  5. Step 5: Solve for x
    x = 570,514,002,495,621,096,800,256/1,182,212,387,184.40
  6. Step 6: Final answer
    x = 482,581,648,340.18

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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.