Home / 9,317,995,619.31-12,859,151,269.62-5,510,782,188.87

Finding the Fourth Proportional to 9,317,995,619.31, 12,859,151,269.62 and 5,510,782,188.87

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Solution

The fourth proportional to 9,317,995,619.31, 12,859,151,269.62 and 5,510,782,188.87 is: 7,605,067,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317,995,619.31 : 12,859,151,269.62 = 5,510,782,188.87 : x
  2. Step 2: Convert to fraction form
    9,317,995,619.31/12,859,151,269.62 = 5,510,782,188.87/x
  3. Step 3: Cross multiply
    9,317,995,619.31x = 12,859,151,269.62 × 5,510,782,188.87
  4. Step 4: Simplify right side
    9,317,995,619.31x = 70,863,981,780,606,943,232
  5. Step 5: Solve for x
    x = 70,863,981,780,606,943,232/9,317,995,619.31
  6. Step 6: Final answer
    x = 7,605,067,084.79

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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.