Home / 1,891,057,391.83-2,840,890,768.76-1,368,039,730.87

Finding the Fourth Proportional to 1,891,057,391.83, 2,840,890,768.76 and 1,368,039,730.87

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Solution

The fourth proportional to 1,891,057,391.83, 2,840,890,768.76 and 1,368,039,730.87 is: 2,055,173,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,057,391.83 : 2,840,890,768.76 = 1,368,039,730.87 : x
  2. Step 2: Convert to fraction form
    1,891,057,391.83/2,840,890,768.76 = 1,368,039,730.87/x
  3. Step 3: Cross multiply
    1,891,057,391.83x = 2,840,890,768.76 × 1,368,039,730.87
  4. Step 4: Simplify right side
    1,891,057,391.83x = 3,886,451,442,725,497,856
  5. Step 5: Solve for x
    x = 3,886,451,442,725,497,856/1,891,057,391.83
  6. Step 6: Final answer
    x = 2,055,173,713.67

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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.