Home / 18,593,585,334.20-27,890,378,001.30-17,870,400,421.40

Finding the Fourth Proportional to 18,593,585,334.20, 27,890,378,001.30 and 17,870,400,421.40

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Solution

The fourth proportional to 18,593,585,334.20, 27,890,378,001.30 and 17,870,400,421.40 is: 26,805,600,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593,585,334.20 : 27,890,378,001.30 = 17,870,400,421.40 : x
  2. Step 2: Convert to fraction form
    18,593,585,334.20/27,890,378,001.30 = 17,870,400,421.40/x
  3. Step 3: Cross multiply
    18,593,585,334.20x = 27,890,378,001.30 × 17,870,400,421.40
  4. Step 4: Simplify right side
    18,593,585,334.20x = 498,412,222,787,436,806,144
  5. Step 5: Solve for x
    x = 498,412,222,787,436,806,144/18,593,585,334.20
  6. Step 6: Final answer
    x = 26,805,600,632.10

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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.