Home / 28,339,933,945.35-39,108,876,424.55-15,479,582,106.08

Finding the Fourth Proportional to 28,339,933,945.35, 39,108,876,424.55 and 15,479,582,106.08

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Solution

The fourth proportional to 28,339,933,945.35, 39,108,876,424.55 and 15,479,582,106.08 is: 21,361,696,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339,933,945.35 : 39,108,876,424.55 = 15,479,582,106.08 : x
  2. Step 2: Convert to fraction form
    28,339,933,945.35/39,108,876,424.55 = 15,479,582,106.08/x
  3. Step 3: Cross multiply
    28,339,933,945.35x = 39,108,876,424.55 × 15,479,582,106.08
  4. Step 4: Simplify right side
    28,339,933,945.35x = 605,389,063,690,124,263,424
  5. Step 5: Solve for x
    x = 605,389,063,690,124,263,424/28,339,933,945.35
  6. Step 6: Final answer
    x = 21,361,696,356.02

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Double scale
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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.