Home / 20,456,415,024.96-28,225,758,486.67-11,422,783,173.55

Finding the Fourth Proportional to 20,456,415,024.96, 28,225,758,486.67 and 11,422,783,173.55

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Solution

The fourth proportional to 20,456,415,024.96, 28,225,758,486.67 and 11,422,783,173.55 is: 15,761,154,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,456,415,024.96 : 28,225,758,486.67 = 11,422,783,173.55 : x
  2. Step 2: Convert to fraction form
    20,456,415,024.96/28,225,758,486.67 = 11,422,783,173.55/x
  3. Step 3: Cross multiply
    20,456,415,024.96x = 28,225,758,486.67 × 11,422,783,173.55
  4. Step 4: Simplify right side
    20,456,415,024.96x = 322,416,719,102,079,008,768
  5. Step 5: Solve for x
    x = 322,416,719,102,079,008,768/20,456,415,024.96
  6. Step 6: Final answer
    x = 15,761,154,567.34

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Double scale
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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.