Home / 505,966,770,217.40-758,923,425,550.64-165,961,161,505.10

Finding the Fourth Proportional to 505,966,770,217.40, 758,923,425,550.64 and 165,961,161,505.10

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Solution

The fourth proportional to 505,966,770,217.40, 758,923,425,550.64 and 165,961,161,505.10 is: 248,932,974,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,966,770,217.40 : 758,923,425,550.64 = 165,961,161,505.10 : x
  2. Step 2: Convert to fraction form
    505,966,770,217.40/758,923,425,550.64 = 165,961,161,505.10/x
  3. Step 3: Cross multiply
    505,966,770,217.40x = 758,923,425,550.64 × 165,961,161,505.10
  4. Step 4: Simplify right side
    505,966,770,217.40x = 125,951,813,197,813,510,045,696
  5. Step 5: Solve for x
    x = 125,951,813,197,813,510,045,696/505,966,770,217.40
  6. Step 6: Final answer
    x = 248,932,974,676.77

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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.