Home / 10,561,752,121.80-15,842,628,182.70-5,319,334,662.60

Finding the Fourth Proportional to 10,561,752,121.80, 15,842,628,182.70 and 5,319,334,662.60

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Solution

The fourth proportional to 10,561,752,121.80, 15,842,628,182.70 and 5,319,334,662.60 is: 7,979,001,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,752,121.80 : 15,842,628,182.70 = 5,319,334,662.60 : x
  2. Step 2: Convert to fraction form
    10,561,752,121.80/15,842,628,182.70 = 5,319,334,662.60/x
  3. Step 3: Cross multiply
    10,561,752,121.80x = 15,842,628,182.70 × 5,319,334,662.60
  4. Step 4: Simplify right side
    10,561,752,121.80x = 84,272,241,238,919,757,824
  5. Step 5: Solve for x
    x = 84,272,241,238,919,757,824/10,561,752,121.80
  6. Step 6: Final answer
    x = 7,979,001,993.90

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Double scale
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1.5x scale

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.