Home / 2,640,297,703.12-3,643,639,832.40-1,450,866,979.60

Finding the Fourth Proportional to 2,640,297,703.12, 3,643,639,832.40 and 1,450,866,979.60

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Solution

The fourth proportional to 2,640,297,703.12, 3,643,639,832.40 and 1,450,866,979.60 is: 2,002,212,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,297,703.12 : 3,643,639,832.40 = 1,450,866,979.60 : x
  2. Step 2: Convert to fraction form
    2,640,297,703.12/3,643,639,832.40 = 1,450,866,979.60/x
  3. Step 3: Cross multiply
    2,640,297,703.12x = 3,643,639,832.40 × 1,450,866,979.60
  4. Step 4: Simplify right side
    2,640,297,703.12x = 5,286,436,718,384,438,272
  5. Step 5: Solve for x
    x = 5,286,436,718,384,438,272/2,640,297,703.12
  6. Step 6: Final answer
    x = 2,002,212,368.76

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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.