Home / 4,981,246,071.77-7,473,756,221.42-2,990,678,226.39

Finding the Fourth Proportional to 4,981,246,071.77, 7,473,756,221.42 and 2,990,678,226.39

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Solution

The fourth proportional to 4,981,246,071.77, 7,473,756,221.42 and 2,990,678,226.39 is: 4,487,150,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981,246,071.77 : 7,473,756,221.42 = 2,990,678,226.39 : x
  2. Step 2: Convert to fraction form
    4,981,246,071.77/7,473,756,221.42 = 2,990,678,226.39/x
  3. Step 3: Cross multiply
    4,981,246,071.77x = 7,473,756,221.42 × 2,990,678,226.39
  4. Step 4: Simplify right side
    4,981,246,071.77x = 22,351,600,000,747,593,728
  5. Step 5: Solve for x
    x = 22,351,600,000,747,593,728/4,981,246,071.77
  6. Step 6: Final answer
    x = 4,487,150,339.23

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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.