Home / 18,617,420,801.80-27,939,736,092.30-13,107,440,513.80

Finding the Fourth Proportional to 18,617,420,801.80, 27,939,736,092.30 and 13,107,440,513.80

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Solution

The fourth proportional to 18,617,420,801.80, 27,939,736,092.30 and 13,107,440,513.80 is: 19,670,739,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617,420,801.80 : 27,939,736,092.30 = 13,107,440,513.80 : x
  2. Step 2: Convert to fraction form
    18,617,420,801.80/27,939,736,092.30 = 13,107,440,513.80/x
  3. Step 3: Cross multiply
    18,617,420,801.80x = 27,939,736,092.30 × 13,107,440,513.80
  4. Step 4: Simplify right side
    18,617,420,801.80x = 366,218,428,801,093,074,944
  5. Step 5: Solve for x
    x = 366,218,428,801,093,074,944/18,617,420,801.80
  6. Step 6: Final answer
    x = 19,670,739,180.25

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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.