Home / 20,702,808,006.80-31,054,212,010.20-17,029,487,814.80

Finding the Fourth Proportional to 20,702,808,006.80, 31,054,212,010.20 and 17,029,487,814.80

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Solution

The fourth proportional to 20,702,808,006.80, 31,054,212,010.20 and 17,029,487,814.80 is: 25,544,231,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,808,006.80 : 31,054,212,010.20 = 17,029,487,814.80 : x
  2. Step 2: Convert to fraction form
    20,702,808,006.80/31,054,212,010.20 = 17,029,487,814.80/x
  3. Step 3: Cross multiply
    20,702,808,006.80x = 31,054,212,010.20 × 17,029,487,814.80
  4. Step 4: Simplify right side
    20,702,808,006.80x = 528,837,325,025,916,682,240
  5. Step 5: Solve for x
    x = 528,837,325,025,916,682,240/20,702,808,006.80
  6. Step 6: Final answer
    x = 25,544,231,722.20

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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.