Home / 505,640,694.90-758,461,042.35-259,654,370.70

Finding the Fourth Proportional to 505,640,694.90, 758,461,042.35 and 259,654,370.70

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Solution

The fourth proportional to 505,640,694.90, 758,461,042.35 and 259,654,370.70 is: 389,481,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,640,694.90 : 758,461,042.35 = 259,654,370.70 : x
  2. Step 2: Convert to fraction form
    505,640,694.90/758,461,042.35 = 259,654,370.70/x
  3. Step 3: Cross multiply
    505,640,694.90x = 758,461,042.35 × 259,654,370.70
  4. Step 4: Simplify right side
    505,640,694.90x = 196,937,724,651,855,296
  5. Step 5: Solve for x
    x = 196,937,724,651,855,296/505,640,694.90
  6. Step 6: Final answer
    x = 389,481,556.05

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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.