Home / 20,734,338,195.40-28,613,368,221.60-11,703,997,078.60

Finding the Fourth Proportional to 20,734,338,195.40, 28,613,368,221.60 and 11,703,997,078.60

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Solution

The fourth proportional to 20,734,338,195.40, 28,613,368,221.60 and 11,703,997,078.60 is: 16,151,505,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,338,195.40 : 28,613,368,221.60 = 11,703,997,078.60 : x
  2. Step 2: Convert to fraction form
    20,734,338,195.40/28,613,368,221.60 = 11,703,997,078.60/x
  3. Step 3: Cross multiply
    20,734,338,195.40x = 28,613,368,221.60 × 11,703,997,078.60
  4. Step 4: Simplify right side
    20,734,338,195.40x = 334,890,778,074,512,490,496
  5. Step 5: Solve for x
    x = 334,890,778,074,512,490,496/20,734,338,195.40
  6. Step 6: Final answer
    x = 16,151,505,532.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.