Home / 1,182,212,387,725.80-1,773,139,406,742.60-321,753,609,190.72

Finding the Fourth Proportional to 1,182,212,387,725.80, 1,773,139,406,742.60 and 321,753,609,190.72

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Solution

The fourth proportional to 1,182,212,387,725.80, 1,773,139,406,742.60 and 321,753,609,190.72 is: 482,581,649,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,212,387,725.80 : 1,773,139,406,742.60 = 321,753,609,190.72 : x
  2. Step 2: Convert to fraction form
    1,182,212,387,725.80/1,773,139,406,742.60 = 321,753,609,190.72/x
  3. Step 3: Cross multiply
    1,182,212,387,725.80x = 1,773,139,406,742.60 × 321,753,609,190.72
  4. Step 4: Simplify right side
    1,182,212,387,725.80x = 570,514,003,717,723,640,561,664
  5. Step 5: Solve for x
    x = 570,514,003,717,723,640,561,664/1,182,212,387,725.80
  6. Step 6: Final answer
    x = 482,581,649,152.92

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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.