Home / 647,222,103.18-971,524,027.35-278,938,804.56

Finding the Fourth Proportional to 647,222,103.18, 971,524,027.35 and 278,938,804.56

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Solution

The fourth proportional to 647,222,103.18, 971,524,027.35 and 278,938,804.56 is: 418,705,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,222,103.18 : 971,524,027.35 = 278,938,804.56 : x
  2. Step 2: Convert to fraction form
    647,222,103.18/971,524,027.35 = 278,938,804.56/x
  3. Step 3: Cross multiply
    647,222,103.18x = 971,524,027.35 × 278,938,804.56
  4. Step 4: Simplify right side
    647,222,103.18x = 270,995,750,790,325,760
  5. Step 5: Solve for x
    x = 270,995,750,790,325,760/647,222,103.18
  6. Step 6: Final answer
    x = 418,705,958.06

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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.