Home / 18,326,058,366.30-27,489,087,549.45-7,284,574,429.80

Finding the Fourth Proportional to 18,326,058,366.30, 27,489,087,549.45 and 7,284,574,429.80

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Solution

The fourth proportional to 18,326,058,366.30, 27,489,087,549.45 and 7,284,574,429.80 is: 10,926,861,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,058,366.30 : 27,489,087,549.45 = 7,284,574,429.80 : x
  2. Step 2: Convert to fraction form
    18,326,058,366.30/27,489,087,549.45 = 7,284,574,429.80/x
  3. Step 3: Cross multiply
    18,326,058,366.30x = 27,489,087,549.45 × 7,284,574,429.80
  4. Step 4: Simplify right side
    18,326,058,366.30x = 200,246,304,261,257,035,776
  5. Step 5: Solve for x
    x = 200,246,304,261,257,035,776/18,326,058,366.30
  6. Step 6: Final answer
    x = 10,926,861,644.70

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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.