Home / 18,617,420,792.80-27,939,736,078.80-13,107,440,504.80

Finding the Fourth Proportional to 18,617,420,792.80, 27,939,736,078.80 and 13,107,440,504.80

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Solution

The fourth proportional to 18,617,420,792.80, 27,939,736,078.80 and 13,107,440,504.80 is: 19,670,739,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617,420,792.80 : 27,939,736,078.80 = 13,107,440,504.80 : x
  2. Step 2: Convert to fraction form
    18,617,420,792.80/27,939,736,078.80 = 13,107,440,504.80/x
  3. Step 3: Cross multiply
    18,617,420,792.80x = 27,939,736,078.80 × 13,107,440,504.80
  4. Step 4: Simplify right side
    18,617,420,792.80x = 366,218,428,372,685,029,376
  5. Step 5: Solve for x
    x = 366,218,428,372,685,029,376/18,617,420,792.80
  6. Step 6: Final answer
    x = 19,670,739,166.74

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1.5x scale

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.