Home / 422,354,917.17-633,533,556.83-131,264,604.81

Finding the Fourth Proportional to 422,354,917.17, 633,533,556.83 and 131,264,604.81

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Solution

The fourth proportional to 422,354,917.17, 633,533,556.83 and 131,264,604.81 is: 196,897,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,354,917.17 : 633,533,556.83 = 131,264,604.81 : x
  2. Step 2: Convert to fraction form
    422,354,917.17/633,533,556.83 = 131,264,604.81/x
  3. Step 3: Cross multiply
    422,354,917.17x = 633,533,556.83 × 131,264,604.81
  4. Step 4: Simplify right side
    422,354,917.17x = 83,160,531,970,507,312
  5. Step 5: Solve for x
    x = 83,160,531,970,507,312/422,354,917.17
  6. Step 6: Final answer
    x = 196,897,274.28

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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.