Home / 18,361,538,885.13-27,542,215,877.75-7,170,549,466.23

Finding the Fourth Proportional to 18,361,538,885.13, 27,542,215,877.75 and 7,170,549,466.23

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Solution

The fourth proportional to 18,361,538,885.13, 27,542,215,877.75 and 7,170,549,466.23 is: 10,755,788,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,538,885.13 : 27,542,215,877.75 = 7,170,549,466.23 : x
  2. Step 2: Convert to fraction form
    18,361,538,885.13/27,542,215,877.75 = 7,170,549,466.23/x
  3. Step 3: Cross multiply
    18,361,538,885.13x = 27,542,215,877.75 × 7,170,549,466.23
  4. Step 4: Simplify right side
    18,361,538,885.13x = 197,492,821,360,955,817,984
  5. Step 5: Solve for x
    x = 197,492,821,360,955,817,984/18,361,538,885.13
  6. Step 6: Final answer
    x = 10,755,788,095.78

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Double scale
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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.