Home / 30,000,894,949.38-41,397,429,785.84-16,448,965,945.51

Finding the Fourth Proportional to 30,000,894,949.38, 41,397,429,785.84 and 16,448,965,945.51

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Solution

The fourth proportional to 30,000,894,949.38, 41,397,429,785.84 and 16,448,965,945.51 is: 22,697,486,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000,894,949.38 : 41,397,429,785.84 = 16,448,965,945.51 : x
  2. Step 2: Convert to fraction form
    30,000,894,949.38/41,397,429,785.84 = 16,448,965,945.51/x
  3. Step 3: Cross multiply
    30,000,894,949.38x = 41,397,429,785.84 × 16,448,965,945.51
  4. Step 4: Simplify right side
    30,000,894,949.38x = 680,944,912,778,923,474,944
  5. Step 5: Solve for x
    x = 680,944,912,778,923,474,944/30,000,894,949.38
  6. Step 6: Final answer
    x = 22,697,486,655.91

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Double scale
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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.