Home / 7,616,718,570.72-11,419,862,034.96-3,878,774,366.88

Finding the Fourth Proportional to 7,616,718,570.72, 11,419,862,034.96 and 3,878,774,366.88

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Solution

The fourth proportional to 7,616,718,570.72, 11,419,862,034.96 and 3,878,774,366.88 is: 5,815,505,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616,718,570.72 : 11,419,862,034.96 = 3,878,774,366.88 : x
  2. Step 2: Convert to fraction form
    7,616,718,570.72/11,419,862,034.96 = 3,878,774,366.88/x
  3. Step 3: Cross multiply
    7,616,718,570.72x = 11,419,862,034.96 × 3,878,774,366.88
  4. Step 4: Simplify right side
    7,616,718,570.72x = 44,295,068,134,508,920,832
  5. Step 5: Solve for x
    x = 44,295,068,134,508,920,832/7,616,718,570.72
  6. Step 6: Final answer
    x = 5,815,505,420.51

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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.