Home / 13,794,624,020.40-20,691,936,030.60-3,980,291,809.20

Finding the Fourth Proportional to 13,794,624,020.40, 20,691,936,030.60 and 3,980,291,809.20

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Solution

The fourth proportional to 13,794,624,020.40, 20,691,936,030.60 and 3,980,291,809.20 is: 5,970,437,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794,624,020.40 : 20,691,936,030.60 = 3,980,291,809.20 : x
  2. Step 2: Convert to fraction form
    13,794,624,020.40/20,691,936,030.60 = 3,980,291,809.20/x
  3. Step 3: Cross multiply
    13,794,624,020.40x = 20,691,936,030.60 × 3,980,291,809.20
  4. Step 4: Simplify right side
    13,794,624,020.40x = 82,359,943,499,087,527,936
  5. Step 5: Solve for x
    x = 82,359,943,499,087,527,936/13,794,624,020.40
  6. Step 6: Final answer
    x = 5,970,437,713.80

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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.