Home / 28,220,797,699.80-38,944,391,776.38-15,533,262,104.28

Finding the Fourth Proportional to 28,220,797,699.80, 38,944,391,776.38 and 15,533,262,104.28

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Solution

The fourth proportional to 28,220,797,699.80, 38,944,391,776.38 and 15,533,262,104.28 is: 21,435,731,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,220,797,699.80 : 38,944,391,776.38 = 15,533,262,104.28 : x
  2. Step 2: Convert to fraction form
    28,220,797,699.80/38,944,391,776.38 = 15,533,262,104.28/x
  3. Step 3: Cross multiply
    28,220,797,699.80x = 38,944,391,776.38 × 15,533,262,104.28
  4. Step 4: Simplify right side
    28,220,797,699.80x = 604,933,444,954,277,150,720
  5. Step 5: Solve for x
    x = 604,933,444,954,277,150,720/28,220,797,699.80
  6. Step 6: Final answer
    x = 21,435,731,597.29

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1.5x scale

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.