Home / 12,691,057,801.48-17,513,818,467.62-6,975,966,198.79

Finding the Fourth Proportional to 12,691,057,801.48, 17,513,818,467.62 and 6,975,966,198.79

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Solution

The fourth proportional to 12,691,057,801.48, 17,513,818,467.62 and 6,975,966,198.79 is: 9,626,920,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691,057,801.48 : 17,513,818,467.62 = 6,975,966,198.79 : x
  2. Step 2: Convert to fraction form
    12,691,057,801.48/17,513,818,467.62 = 6,975,966,198.79/x
  3. Step 3: Cross multiply
    12,691,057,801.48x = 17,513,818,467.62 × 6,975,966,198.79
  4. Step 4: Simplify right side
    12,691,057,801.48x = 122,175,805,641,861,185,536
  5. Step 5: Solve for x
    x = 122,175,805,641,861,185,536/12,691,057,801.48
  6. Step 6: Final answer
    x = 9,626,920,588.73

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1.5x scale

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.