Home / 14,412,719,789.46-21,622,339,632.33-7,780,206,578.22

Finding the Fourth Proportional to 14,412,719,789.46, 21,622,339,632.33 and 7,780,206,578.22

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Solution

The fourth proportional to 14,412,719,789.46, 21,622,339,632.33 and 7,780,206,578.22 is: 11,672,069,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412,719,789.46 : 21,622,339,632.33 = 7,780,206,578.22 : x
  2. Step 2: Convert to fraction form
    14,412,719,789.46/21,622,339,632.33 = 7,780,206,578.22/x
  3. Step 3: Cross multiply
    14,412,719,789.46x = 21,622,339,632.33 × 7,780,206,578.22
  4. Step 4: Simplify right side
    14,412,719,789.46x = 168,226,269,043,960,905,728
  5. Step 5: Solve for x
    x = 168,226,269,043,960,905,728/14,412,719,789.46
  6. Step 6: Final answer
    x = 11,672,069,637.20

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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.