Home / 818,137,071.32-1,227,377,961.24-265,396,340.68

Finding the Fourth Proportional to 818,137,071.32, 1,227,377,961.24 and 265,396,340.68

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Solution

The fourth proportional to 818,137,071.32, 1,227,377,961.24 and 265,396,340.68 is: 398,150,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,137,071.32 : 1,227,377,961.24 = 265,396,340.68 : x
  2. Step 2: Convert to fraction form
    818,137,071.32/1,227,377,961.24 = 265,396,340.68/x
  3. Step 3: Cross multiply
    818,137,071.32x = 1,227,377,961.24 × 265,396,340.68
  4. Step 4: Simplify right side
    818,137,071.32x = 325,741,619,544,374,912
  5. Step 5: Solve for x
    x = 325,741,619,544,374,912/818,137,071.32
  6. Step 6: Final answer
    x = 398,150,421.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.