Home / 14,980,930,939.77-20,673,709,619.48-8,206,601,829.05

Finding the Fourth Proportional to 14,980,930,939.77, 20,673,709,619.48 and 8,206,601,829.05

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Solution

The fourth proportional to 14,980,930,939.77, 20,673,709,619.48 and 8,206,601,829.05 is: 11,325,124,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980,930,939.77 : 20,673,709,619.48 = 8,206,601,829.05 : x
  2. Step 2: Convert to fraction form
    14,980,930,939.77/20,673,709,619.48 = 8,206,601,829.05/x
  3. Step 3: Cross multiply
    14,980,930,939.77x = 20,673,709,619.48 × 8,206,601,829.05
  4. Step 4: Simplify right side
    14,980,930,939.77x = 169,660,903,176,328,740,864
  5. Step 5: Solve for x
    x = 169,660,903,176,328,740,864/14,980,930,939.77
  6. Step 6: Final answer
    x = 11,325,124,176.76

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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.