Home / 18,141,344,045.28-25,035,054,579.12-9,797,011,757.28

Finding the Fourth Proportional to 18,141,344,045.28, 25,035,054,579.12 and 9,797,011,757.28

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Solution

The fourth proportional to 18,141,344,045.28, 25,035,054,579.12 and 9,797,011,757.28 is: 13,519,876,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141,344,045.28 : 25,035,054,579.12 = 9,797,011,757.28 : x
  2. Step 2: Convert to fraction form
    18,141,344,045.28/25,035,054,579.12 = 9,797,011,757.28/x
  3. Step 3: Cross multiply
    18,141,344,045.28x = 25,035,054,579.12 × 9,797,011,757.28
  4. Step 4: Simplify right side
    18,141,344,045.28x = 245,268,724,055,785,144,320
  5. Step 5: Solve for x
    x = 245,268,724,055,785,144,320/18,141,344,045.28
  6. Step 6: Final answer
    x = 13,519,876,115.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.