Home / 18,619,308,806.20-27,928,889,726.10-5,533,105,622.20

Finding the Fourth Proportional to 18,619,308,806.20, 27,928,889,726.10 and 5,533,105,622.20

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Solution

The fourth proportional to 18,619,308,806.20, 27,928,889,726.10 and 5,533,105,622.20 is: 8,299,636,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619,308,806.20 : 27,928,889,726.10 = 5,533,105,622.20 : x
  2. Step 2: Convert to fraction form
    18,619,308,806.20/27,928,889,726.10 = 5,533,105,622.20/x
  3. Step 3: Cross multiply
    18,619,308,806.20x = 27,928,889,726.10 × 5,533,105,622.20
  4. Step 4: Simplify right side
    18,619,308,806.20x = 154,533,496,765,287,727,104
  5. Step 5: Solve for x
    x = 154,533,496,765,287,727,104/18,619,308,806.20
  6. Step 6: Final answer
    x = 8,299,636,596.28

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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.