Home / 20,149,574,035.28-27,815,329,650.49-13,016,466,635.36

Finding the Fourth Proportional to 20,149,574,035.28, 27,815,329,650.49 and 13,016,466,635.36

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Solution

The fourth proportional to 20,149,574,035.28, 27,815,329,650.49 and 13,016,466,635.36 is: 17,968,484,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149,574,035.28 : 27,815,329,650.49 = 13,016,466,635.36 : x
  2. Step 2: Convert to fraction form
    20,149,574,035.28/27,815,329,650.49 = 13,016,466,635.36/x
  3. Step 3: Cross multiply
    20,149,574,035.28x = 27,815,329,650.49 × 13,016,466,635.36
  4. Step 4: Simplify right side
    20,149,574,035.28x = 362,057,310,346,977,673,216
  5. Step 5: Solve for x
    x = 362,057,310,346,977,673,216/20,149,574,035.28
  6. Step 6: Final answer
    x = 17,968,484,580.03

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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.