Home / 3,107,362,993.66-4,288,162,651.74-1,678,434,093.70

Finding the Fourth Proportional to 3,107,362,993.66, 4,288,162,651.74 and 1,678,434,093.70

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Solution

The fourth proportional to 3,107,362,993.66, 4,288,162,651.74 and 1,678,434,093.70 is: 2,316,239,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,362,993.66 : 4,288,162,651.74 = 1,678,434,093.70 : x
  2. Step 2: Convert to fraction form
    3,107,362,993.66/4,288,162,651.74 = 1,678,434,093.70/x
  3. Step 3: Cross multiply
    3,107,362,993.66x = 4,288,162,651.74 × 1,678,434,093.70
  4. Step 4: Simplify right side
    3,107,362,993.66x = 7,197,398,394,011,415,552
  5. Step 5: Solve for x
    x = 7,197,398,394,011,415,552/3,107,362,993.66
  6. Step 6: Final answer
    x = 2,316,239,978.62

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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.