Home / 818,136,785.30-1,227,377,531.62-265,396,054.32

Finding the Fourth Proportional to 818,136,785.30, 1,227,377,531.62 and 265,396,054.32

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Solution

The fourth proportional to 818,136,785.30, 1,227,377,531.62 and 265,396,054.32 is: 398,149,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,136,785.30 : 1,227,377,531.62 = 265,396,054.32 : x
  2. Step 2: Convert to fraction form
    818,136,785.30/1,227,377,531.62 = 265,396,054.32/x
  3. Step 3: Cross multiply
    818,136,785.30x = 1,227,377,531.62 × 265,396,054.32
  4. Step 4: Simplify right side
    818,136,785.30x = 325,741,154,052,969,024
  5. Step 5: Solve for x
    x = 325,741,154,052,969,024/818,136,785.30
  6. Step 6: Final answer
    x = 398,149,991.43

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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.