Home / 1,379,071,067.73-1,903,158,449.87-752,579,876.58

Finding the Fourth Proportional to 1,379,071,067.73, 1,903,158,449.87 and 752,579,876.58

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Solution

The fourth proportional to 1,379,071,067.73, 1,903,158,449.87 and 752,579,876.58 is: 1,038,582,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,071,067.73 : 1,903,158,449.87 = 752,579,876.58 : x
  2. Step 2: Convert to fraction form
    1,379,071,067.73/1,903,158,449.87 = 752,579,876.58/x
  3. Step 3: Cross multiply
    1,379,071,067.73x = 1,903,158,449.87 × 752,579,876.58
  4. Step 4: Simplify right side
    1,379,071,067.73x = 1,432,278,751,311,585,792
  5. Step 5: Solve for x
    x = 1,432,278,751,311,585,792/1,379,071,067.73
  6. Step 6: Final answer
    x = 1,038,582,263.69

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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.