Home / 640,446,677.44-960,747,754.56-180,384,847.36

Finding the Fourth Proportional to 640,446,677.44, 960,747,754.56 and 180,384,847.36

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Solution

The fourth proportional to 640,446,677.44, 960,747,754.56 and 180,384,847.36 is: 270,599,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,446,677.44 : 960,747,754.56 = 180,384,847.36 : x
  2. Step 2: Convert to fraction form
    640,446,677.44/960,747,754.56 = 180,384,847.36/x
  3. Step 3: Cross multiply
    640,446,677.44x = 960,747,754.56 × 180,384,847.36
  4. Step 4: Simplify right side
    640,446,677.44x = 173,304,337,057,768,352
  5. Step 5: Solve for x
    x = 173,304,337,057,768,352/640,446,677.44
  6. Step 6: Final answer
    x = 270,599,166.43

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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.