Home / 1,321,995,673.32-1,982,921,747.82-401,800,267.41

Finding the Fourth Proportional to 1,321,995,673.32, 1,982,921,747.82 and 401,800,267.41

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Solution

The fourth proportional to 1,321,995,673.32, 1,982,921,747.82 and 401,800,267.41 is: 602,678,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,995,673.32 : 1,982,921,747.82 = 401,800,267.41 : x
  2. Step 2: Convert to fraction form
    1,321,995,673.32/1,982,921,747.82 = 401,800,267.41/x
  3. Step 3: Cross multiply
    1,321,995,673.32x = 1,982,921,747.82 × 401,800,267.41
  4. Step 4: Simplify right side
    1,321,995,673.32x = 796,738,488,527,180,672
  5. Step 5: Solve for x
    x = 796,738,488,527,180,672/1,321,995,673.32
  6. Step 6: Final answer
    x = 602,678,590.11

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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.