Home / 9,987,197,670.39-13,782,223,062.96-5,409,348,199.41

Finding the Fourth Proportional to 9,987,197,670.39, 13,782,223,062.96 and 5,409,348,199.41

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Solution

The fourth proportional to 9,987,197,670.39, 13,782,223,062.96 and 5,409,348,199.41 is: 7,464,841,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,197,670.39 : 13,782,223,062.96 = 5,409,348,199.41 : x
  2. Step 2: Convert to fraction form
    9,987,197,670.39/13,782,223,062.96 = 5,409,348,199.41/x
  3. Step 3: Cross multiply
    9,987,197,670.39x = 13,782,223,062.96 × 5,409,348,199.41
  4. Step 4: Simplify right side
    9,987,197,670.39x = 74,552,843,509,489,647,616
  5. Step 5: Solve for x
    x = 74,552,843,509,489,647,616/9,987,197,670.39
  6. Step 6: Final answer
    x = 7,464,841,086.56

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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.