Home / 18,361,538,888.69-27,542,215,883.08-7,170,549,469.80

Finding the Fourth Proportional to 18,361,538,888.69, 27,542,215,883.08 and 7,170,549,469.80

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Solution

The fourth proportional to 18,361,538,888.69, 27,542,215,883.08 and 7,170,549,469.80 is: 10,755,788,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,538,888.69 : 27,542,215,883.08 = 7,170,549,469.80 : x
  2. Step 2: Convert to fraction form
    18,361,538,888.69/27,542,215,883.08 = 7,170,549,469.80/x
  3. Step 3: Cross multiply
    18,361,538,888.69x = 27,542,215,883.08 × 7,170,549,469.80
  4. Step 4: Simplify right side
    18,361,538,888.69x = 197,492,821,497,441,714,176
  5. Step 5: Solve for x
    x = 197,492,821,497,441,714,176/18,361,538,888.69
  6. Step 6: Final answer
    x = 10,755,788,101.13

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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.