Home / 20,969,543,980.35-28,937,775,122.60-11,454,092,088.03

Finding the Fourth Proportional to 20,969,543,980.35, 28,937,775,122.60 and 11,454,092,088.03

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Solution

The fourth proportional to 20,969,543,980.35, 28,937,775,122.60 and 11,454,092,088.03 is: 15,806,540,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,969,543,980.35 : 28,937,775,122.60 = 11,454,092,088.03 : x
  2. Step 2: Convert to fraction form
    20,969,543,980.35/28,937,775,122.60 = 11,454,092,088.03/x
  3. Step 3: Cross multiply
    20,969,543,980.35x = 28,937,775,122.60 × 11,454,092,088.03
  4. Step 4: Simplify right side
    20,969,543,980.35x = 331,455,941,076,918,206,464
  5. Step 5: Solve for x
    x = 331,455,941,076,918,206,464/20,969,543,980.35
  6. Step 6: Final answer
    x = 15,806,540,256.07

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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.