Home / 14,379,137,975.80-21,568,706,963.70-6,639,467,447.80

Finding the Fourth Proportional to 14,379,137,975.80, 21,568,706,963.70 and 6,639,467,447.80

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Solution

The fourth proportional to 14,379,137,975.80, 21,568,706,963.70 and 6,639,467,447.80 is: 9,959,201,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379,137,975.80 : 21,568,706,963.70 = 6,639,467,447.80 : x
  2. Step 2: Convert to fraction form
    14,379,137,975.80/21,568,706,963.70 = 6,639,467,447.80/x
  3. Step 3: Cross multiply
    14,379,137,975.80x = 21,568,706,963.70 × 6,639,467,447.80
  4. Step 4: Simplify right side
    14,379,137,975.80x = 143,204,727,776,623,329,280
  5. Step 5: Solve for x
    x = 143,204,727,776,623,329,280/14,379,137,975.80
  6. Step 6: Final answer
    x = 9,959,201,171.70

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Double scale
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Similar ratio
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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.