Home / 2,639,346,646.22-3,642,300,759-1,449,992,661.49

Finding the Fourth Proportional to 2,639,346,646.22, 3,642,300,759 and 1,449,992,661.49

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Solution

The fourth proportional to 2,639,346,646.22, 3,642,300,759 and 1,449,992,661.49 is: 2,000,991,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,346,646.22 : 3,642,300,759 = 1,449,992,661.49 : x
  2. Step 2: Convert to fraction form
    2,639,346,646.22/3,642,300,759 = 1,449,992,661.49/x
  3. Step 3: Cross multiply
    2,639,346,646.22x = 3,642,300,759 × 1,449,992,661.49
  4. Step 4: Simplify right side
    2,639,346,646.22x = 5,281,309,371,489,457,152
  5. Step 5: Solve for x
    x = 5,281,309,371,489,457,152/2,639,346,646.22
  6. Step 6: Final answer
    x = 2,000,991,184.33

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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.