Home / 1,639,396,723.88-2,262,385,335.30-896,824,843.40

Finding the Fourth Proportional to 1,639,396,723.88, 2,262,385,335.30 and 896,824,843.40

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Solution

The fourth proportional to 1,639,396,723.88, 2,262,385,335.30 and 896,824,843.40 is: 1,237,628,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,396,723.88 : 2,262,385,335.30 = 896,824,843.40 : x
  2. Step 2: Convert to fraction form
    1,639,396,723.88/2,262,385,335.30 = 896,824,843.40/x
  3. Step 3: Cross multiply
    1,639,396,723.88x = 2,262,385,335.30 × 896,824,843.40
  4. Step 4: Simplify right side
    1,639,396,723.88x = 2,028,963,374,040,879,104
  5. Step 5: Solve for x
    x = 2,028,963,374,040,879,104/1,639,396,723.88
  6. Step 6: Final answer
    x = 1,237,628,052.13

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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.