Home / 2,643,510,715.26-3,653,276,762.55-2,166,448,792.29

Finding the Fourth Proportional to 2,643,510,715.26, 3,653,276,762.55 and 2,166,448,792.29

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Solution

The fourth proportional to 2,643,510,715.26, 3,653,276,762.55 and 2,166,448,792.29 is: 2,993,987,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,510,715.26 : 3,653,276,762.55 = 2,166,448,792.29 : x
  2. Step 2: Convert to fraction form
    2,643,510,715.26/3,653,276,762.55 = 2,166,448,792.29/x
  3. Step 3: Cross multiply
    2,643,510,715.26x = 3,653,276,762.55 × 2,166,448,792.29
  4. Step 4: Simplify right side
    2,643,510,715.26x = 7,914,637,030,121,850,880
  5. Step 5: Solve for x
    x = 7,914,637,030,121,850,880/2,643,510,715.26
  6. Step 6: Final answer
    x = 2,993,987,118.89

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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.