Home / 2,786,247,434.48-4,179,975,816.72-847,500,278

Finding the Fourth Proportional to 2,786,247,434.48, 4,179,975,816.72 and 847,500,278

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Solution

The fourth proportional to 2,786,247,434.48, 4,179,975,816.72 and 847,500,278 is: 1,271,434,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,247,434.48 : 4,179,975,816.72 = 847,500,278 : x
  2. Step 2: Convert to fraction form
    2,786,247,434.48/4,179,975,816.72 = 847,500,278/x
  3. Step 3: Cross multiply
    2,786,247,434.48x = 4,179,975,816.72 × 847,500,278
  4. Step 4: Simplify right side
    2,786,247,434.48x = 3,542,530,666,703,476,736
  5. Step 5: Solve for x
    x = 3,542,530,666,703,476,736/2,786,247,434.48
  6. Step 6: Final answer
    x = 1,271,434,339.56

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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.