Home / 1,182,212,387,697.30-1,773,139,406,701.70-321,753,609,163.72

Finding the Fourth Proportional to 1,182,212,387,697.30, 1,773,139,406,701.70 and 321,753,609,163.72

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Solution

The fourth proportional to 1,182,212,387,697.30, 1,773,139,406,701.70 and 321,753,609,163.72 is: 482,581,649,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,212,387,697.30 : 1,773,139,406,701.70 = 321,753,609,163.72 : x
  2. Step 2: Convert to fraction form
    1,182,212,387,697.30/1,773,139,406,701.70 = 321,753,609,163.72/x
  3. Step 3: Cross multiply
    1,182,212,387,697.30x = 1,773,139,406,701.70 × 321,753,609,163.72
  4. Step 4: Simplify right side
    1,182,212,387,697.30x = 570,514,003,656,689,068,277,760
  5. Step 5: Solve for x
    x = 570,514,003,656,689,068,277,760/1,182,212,387,697.30
  6. Step 6: Final answer
    x = 482,581,649,112.92

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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.