Home / 20,982,143,966.08-31,469,768,520.80-7,533,643,871.12

Finding the Fourth Proportional to 20,982,143,966.08, 31,469,768,520.80 and 7,533,643,871.12

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Solution

The fourth proportional to 20,982,143,966.08, 31,469,768,520.80 and 7,533,643,871.12 is: 11,299,228,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,982,143,966.08 : 31,469,768,520.80 = 7,533,643,871.12 : x
  2. Step 2: Convert to fraction form
    20,982,143,966.08/31,469,768,520.80 = 7,533,643,871.12/x
  3. Step 3: Cross multiply
    20,982,143,966.08x = 31,469,768,520.80 × 7,533,643,871.12
  4. Step 4: Simplify right side
    20,982,143,966.08x = 237,082,028,742,290,014,208
  5. Step 5: Solve for x
    x = 237,082,028,742,290,014,208/20,982,143,966.08
  6. Step 6: Final answer
    x = 11,299,228,006.71

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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.