Home / 7,307,993,993.87-10,085,039,175.33-3,966,492,965.15

Finding the Fourth Proportional to 7,307,993,993.87, 10,085,039,175.33 and 3,966,492,965.15

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Solution

The fourth proportional to 7,307,993,993.87, 10,085,039,175.33 and 3,966,492,965.15 is: 5,473,764,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307,993,993.87 : 10,085,039,175.33 = 3,966,492,965.15 : x
  2. Step 2: Convert to fraction form
    7,307,993,993.87/10,085,039,175.33 = 3,966,492,965.15/x
  3. Step 3: Cross multiply
    7,307,993,993.87x = 10,085,039,175.33 × 3,966,492,965.15
  4. Step 4: Simplify right side
    7,307,993,993.87x = 40,002,236,942,233,812,992
  5. Step 5: Solve for x
    x = 40,002,236,942,233,812,992/7,307,993,993.87
  6. Step 6: Final answer
    x = 5,473,764,342.96

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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.