Home / 15,684,379,809.44-21,644,517,434.96-8,910,570,086.03

Finding the Fourth Proportional to 15,684,379,809.44, 21,644,517,434.96 and 8,910,570,086.03

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Solution

The fourth proportional to 15,684,379,809.44, 21,644,517,434.96 and 8,910,570,086.03 is: 12,296,628,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684,379,809.44 : 21,644,517,434.96 = 8,910,570,086.03 : x
  2. Step 2: Convert to fraction form
    15,684,379,809.44/21,644,517,434.96 = 8,910,570,086.03/x
  3. Step 3: Cross multiply
    15,684,379,809.44x = 21,644,517,434.96 × 8,910,570,086.03
  4. Step 4: Simplify right side
    15,684,379,809.44x = 192,864,989,582,590,214,144
  5. Step 5: Solve for x
    x = 192,864,989,582,590,214,144/15,684,379,809.44
  6. Step 6: Final answer
    x = 12,296,628,360.57

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1.5x scale

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.