Home / 12,691,057,798.98-17,513,818,464.17-6,975,966,196.28

Finding the Fourth Proportional to 12,691,057,798.98, 17,513,818,464.17 and 6,975,966,196.28

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Solution

The fourth proportional to 12,691,057,798.98, 17,513,818,464.17 and 6,975,966,196.28 is: 9,626,920,585.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691,057,798.98 : 17,513,818,464.17 = 6,975,966,196.28 : x
  2. Step 2: Convert to fraction form
    12,691,057,798.98/17,513,818,464.17 = 6,975,966,196.28/x
  3. Step 3: Cross multiply
    12,691,057,798.98x = 17,513,818,464.17 × 6,975,966,196.28
  4. Step 4: Simplify right side
    12,691,057,798.98x = 122,175,805,573,711,970,304
  5. Step 5: Solve for x
    x = 122,175,805,573,711,970,304/12,691,057,798.98
  6. Step 6: Final answer
    x = 9,626,920,585.26

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Double scale
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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.