Home / 440,069,249.70-660,183,590.70-221,168,701.80

Finding the Fourth Proportional to 440,069,249.70, 660,183,590.70 and 221,168,701.80

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Solution

The fourth proportional to 440,069,249.70, 660,183,590.70 and 221,168,701.80 is: 331,793,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,069,249.70 : 660,183,590.70 = 221,168,701.80 : x
  2. Step 2: Convert to fraction form
    440,069,249.70/660,183,590.70 = 221,168,701.80/x
  3. Step 3: Cross multiply
    440,069,249.70x = 660,183,590.70 × 221,168,701.80
  4. Step 4: Simplify right side
    440,069,249.70x = 146,011,947,704,781,568
  5. Step 5: Solve for x
    x = 146,011,947,704,781,568/440,069,249.70
  6. Step 6: Final answer
    x = 331,793,116.21

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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.