Home / 154,524,675,785.60-231,787,013,678.40-148,647,363,478.40

Finding the Fourth Proportional to 154,524,675,785.60, 231,787,013,678.40 and 148,647,363,478.40

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Solution

The fourth proportional to 154,524,675,785.60, 231,787,013,678.40 and 148,647,363,478.40 is: 222,971,045,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,524,675,785.60 : 231,787,013,678.40 = 148,647,363,478.40 : x
  2. Step 2: Convert to fraction form
    154,524,675,785.60/231,787,013,678.40 = 148,647,363,478.40/x
  3. Step 3: Cross multiply
    154,524,675,785.60x = 231,787,013,678.40 × 148,647,363,478.40
  4. Step 4: Simplify right side
    154,524,675,785.60x = 34,454,528,471,825,993,695,232
  5. Step 5: Solve for x
    x = 34,454,528,471,825,993,695,232/154,524,675,785.60
  6. Step 6: Final answer
    x = 222,971,045,217.60

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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.