Home / 18,326,058,742.80-27,489,088,114.20-7,284,574,806.30

Finding the Fourth Proportional to 18,326,058,742.80, 27,489,088,114.20 and 7,284,574,806.30

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Solution

The fourth proportional to 18,326,058,742.80, 27,489,088,114.20 and 7,284,574,806.30 is: 10,926,862,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,058,742.80 : 27,489,088,114.20 = 7,284,574,806.30 : x
  2. Step 2: Convert to fraction form
    18,326,058,742.80/27,489,088,114.20 = 7,284,574,806.30/x
  3. Step 3: Cross multiply
    18,326,058,742.80x = 27,489,088,114.20 × 7,284,574,806.30
  4. Step 4: Simplify right side
    18,326,058,742.80x = 200,246,318,724,862,115,840
  5. Step 5: Solve for x
    x = 200,246,318,724,862,115,840/18,326,058,742.80
  6. Step 6: Final answer
    x = 10,926,862,209.45

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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.