Home / 20,005,269,932.80-29,967,896,686.68-12,033,036,354.40

Finding the Fourth Proportional to 20,005,269,932.80, 29,967,896,686.68 and 12,033,036,354.40

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Solution

The fourth proportional to 20,005,269,932.80, 29,967,896,686.68 and 12,033,036,354.40 is: 18,025,489,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005,269,932.80 : 29,967,896,686.68 = 12,033,036,354.40 : x
  2. Step 2: Convert to fraction form
    20,005,269,932.80/29,967,896,686.68 = 12,033,036,354.40/x
  3. Step 3: Cross multiply
    20,005,269,932.80x = 29,967,896,686.68 × 12,033,036,354.40
  4. Step 4: Simplify right side
    20,005,269,932.80x = 360,604,790,295,723,769,856
  5. Step 5: Solve for x
    x = 360,604,790,295,723,769,856/20,005,269,932.80
  6. Step 6: Final answer
    x = 18,025,489,858.77

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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.