Home / 40,065,233,581.12-55,287,864,043.68-22,242,743,809.60

Finding the Fourth Proportional to 40,065,233,581.12, 55,287,864,043.68 and 22,242,743,809.60

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Solution

The fourth proportional to 40,065,233,581.12, 55,287,864,043.68 and 22,242,743,809.60 is: 30,693,788,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065,233,581.12 : 55,287,864,043.68 = 22,242,743,809.60 : x
  2. Step 2: Convert to fraction form
    40,065,233,581.12/55,287,864,043.68 = 22,242,743,809.60/x
  3. Step 3: Cross multiply
    40,065,233,581.12x = 55,287,864,043.68 × 22,242,743,809.60
  4. Step 4: Simplify right side
    40,065,233,581.12x = 1,229,753,795,703,569,645,568
  5. Step 5: Solve for x
    x = 1,229,753,795,703,569,645,568/40,065,233,581.12
  6. Step 6: Final answer
    x = 30,693,788,249.45

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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.