Home / 2,175,929,131.88-3,002,792,370.77-1,236,183,340.19

Finding the Fourth Proportional to 2,175,929,131.88, 3,002,792,370.77 and 1,236,183,340.19

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Solution

The fourth proportional to 2,175,929,131.88, 3,002,792,370.77 and 1,236,183,340.19 is: 1,705,938,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,929,131.88 : 3,002,792,370.77 = 1,236,183,340.19 : x
  2. Step 2: Convert to fraction form
    2,175,929,131.88/3,002,792,370.77 = 1,236,183,340.19/x
  3. Step 3: Cross multiply
    2,175,929,131.88x = 3,002,792,370.77 × 1,236,183,340.19
  4. Step 4: Simplify right side
    2,175,929,131.88x = 3,712,001,902,783,583,744
  5. Step 5: Solve for x
    x = 3,712,001,902,783,583,744/2,175,929,131.88
  6. Step 6: Final answer
    x = 1,705,938,786.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.