Home / 54,218,591,325.20-81,327,886,987.80-19,309,452,381.20

Finding the Fourth Proportional to 54,218,591,325.20, 81,327,886,987.80 and 19,309,452,381.20

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Solution

The fourth proportional to 54,218,591,325.20, 81,327,886,987.80 and 19,309,452,381.20 is: 28,964,178,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,218,591,325.20 : 81,327,886,987.80 = 19,309,452,381.20 : x
  2. Step 2: Convert to fraction form
    54,218,591,325.20/81,327,886,987.80 = 19,309,452,381.20/x
  3. Step 3: Cross multiply
    54,218,591,325.20x = 81,327,886,987.80 × 19,309,452,381.20
  4. Step 4: Simplify right side
    54,218,591,325.20x = 1,570,396,961,054,539,382,784
  5. Step 5: Solve for x
    x = 1,570,396,961,054,539,382,784/54,218,591,325.20
  6. Step 6: Final answer
    x = 28,964,178,571.80

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Double scale
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1.5x scale

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.