Home / 454,911,016.80-682,366,525.20-163,823,066.40

Finding the Fourth Proportional to 454,911,016.80, 682,366,525.20 and 163,823,066.40

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Solution

The fourth proportional to 454,911,016.80, 682,366,525.20 and 163,823,066.40 is: 245,734,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,911,016.80 : 682,366,525.20 = 163,823,066.40 : x
  2. Step 2: Convert to fraction form
    454,911,016.80/682,366,525.20 = 163,823,066.40/x
  3. Step 3: Cross multiply
    454,911,016.80x = 682,366,525.20 × 163,823,066.40
  4. Step 4: Simplify right side
    454,911,016.80x = 111,787,376,566,976,880
  5. Step 5: Solve for x
    x = 111,787,376,566,976,880/454,911,016.80
  6. Step 6: Final answer
    x = 245,734,599.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.