Home / 20,691,947,445.60-31,037,921,168.40-5,970,449,128.80

Finding the Fourth Proportional to 20,691,947,445.60, 31,037,921,168.40 and 5,970,449,128.80

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Solution

The fourth proportional to 20,691,947,445.60, 31,037,921,168.40 and 5,970,449,128.80 is: 8,955,673,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,691,947,445.60 : 31,037,921,168.40 = 5,970,449,128.80 : x
  2. Step 2: Convert to fraction form
    20,691,947,445.60/31,037,921,168.40 = 5,970,449,128.80/x
  3. Step 3: Cross multiply
    20,691,947,445.60x = 31,037,921,168.40 × 5,970,449,128.80
  4. Step 4: Simplify right side
    20,691,947,445.60x = 185,310,329,399,636,885,504
  5. Step 5: Solve for x
    x = 185,310,329,399,636,885,504/20,691,947,445.60
  6. Step 6: Final answer
    x = 8,955,673,693.20

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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.