Home / 28,805,010,110.32-43,151,608,265.64-21,228,034,082.80

Finding the Fourth Proportional to 28,805,010,110.32, 43,151,608,265.64 and 21,228,034,082.80

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Solution

The fourth proportional to 28,805,010,110.32, 43,151,608,265.64 and 21,228,034,082.80 is: 31,800,850,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805,010,110.32 : 43,151,608,265.64 = 21,228,034,082.80 : x
  2. Step 2: Convert to fraction form
    28,805,010,110.32/43,151,608,265.64 = 21,228,034,082.80/x
  3. Step 3: Cross multiply
    28,805,010,110.32x = 43,151,608,265.64 × 21,228,034,082.80
  4. Step 4: Simplify right side
    28,805,010,110.32x = 916,023,810,990,640,070,656
  5. Step 5: Solve for x
    x = 916,023,810,990,640,070,656/28,805,010,110.32
  6. Step 6: Final answer
    x = 31,800,850,181.35

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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.