Home / 479,161,709.34-661,243,153.77-259,145,135.34

Finding the Fourth Proportional to 479,161,709.34, 661,243,153.77 and 259,145,135.34

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Solution

The fourth proportional to 479,161,709.34, 661,243,153.77 and 259,145,135.34 is: 357,620,284.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,161,709.34 : 661,243,153.77 = 259,145,135.34 : x
  2. Step 2: Convert to fraction form
    479,161,709.34/661,243,153.77 = 259,145,135.34/x
  3. Step 3: Cross multiply
    479,161,709.34x = 661,243,153.77 × 259,145,135.34
  4. Step 4: Simplify right side
    479,161,709.34x = 171,357,946,576,375,072
  5. Step 5: Solve for x
    x = 171,357,946,576,375,072/479,161,709.34
  6. Step 6: Final answer
    x = 357,620,284.00

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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.