Home / 13,170,070,517.66-19,758,986,476.76-5,305,435,771.94

Finding the Fourth Proportional to 13,170,070,517.66, 19,758,986,476.76 and 5,305,435,771.94

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Solution

The fourth proportional to 13,170,070,517.66, 19,758,986,476.76 and 5,305,435,771.94 is: 7,959,716,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170,070,517.66 : 19,758,986,476.76 = 5,305,435,771.94 : x
  2. Step 2: Convert to fraction form
    13,170,070,517.66/19,758,986,476.76 = 5,305,435,771.94/x
  3. Step 3: Cross multiply
    13,170,070,517.66x = 19,758,986,476.76 × 5,305,435,771.94
  4. Step 4: Simplify right side
    13,170,070,517.66x = 104,830,033,671,081,197,568
  5. Step 5: Solve for x
    x = 104,830,033,671,081,197,568/13,170,070,517.66
  6. Step 6: Final answer
    x = 7,959,716,960.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.