Home / 18,326,058,454.80-27,489,087,682.20-7,284,574,518.30

Finding the Fourth Proportional to 18,326,058,454.80, 27,489,087,682.20 and 7,284,574,518.30

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Solution

The fourth proportional to 18,326,058,454.80, 27,489,087,682.20 and 7,284,574,518.30 is: 10,926,861,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,058,454.80 : 27,489,087,682.20 = 7,284,574,518.30 : x
  2. Step 2: Convert to fraction form
    18,326,058,454.80/27,489,087,682.20 = 7,284,574,518.30/x
  3. Step 3: Cross multiply
    18,326,058,454.80x = 27,489,087,682.20 × 7,284,574,518.30
  4. Step 4: Simplify right side
    18,326,058,454.80x = 200,246,307,661,068,533,760
  5. Step 5: Solve for x
    x = 200,246,307,661,068,533,760/18,326,058,454.80
  6. Step 6: Final answer
    x = 10,926,861,777.45

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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.