Home / 15,395,198,001.32-21,245,372,374.02-8,354,667,633.32

Finding the Fourth Proportional to 15,395,198,001.32, 21,245,372,374.02 and 8,354,667,633.32

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Solution

The fourth proportional to 15,395,198,001.32, 21,245,372,374.02 and 8,354,667,633.32 is: 11,529,440,863.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395,198,001.32 : 21,245,372,374.02 = 8,354,667,633.32 : x
  2. Step 2: Convert to fraction form
    15,395,198,001.32/21,245,372,374.02 = 8,354,667,633.32/x
  3. Step 3: Cross multiply
    15,395,198,001.32x = 21,245,372,374.02 × 8,354,667,633.32
  4. Step 4: Simplify right side
    15,395,198,001.32x = 177,498,024,931,055,796,224
  5. Step 5: Solve for x
    x = 177,498,024,931,055,796,224/15,395,198,001.32
  6. Step 6: Final answer
    x = 11,529,440,863.04

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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.