Home / 558,815,755.07-771,130,989.62-307,906,105.68

Finding the Fourth Proportional to 558,815,755.07, 771,130,989.62 and 307,906,105.68

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Solution

The fourth proportional to 558,815,755.07, 771,130,989.62 and 307,906,105.68 is: 424,891,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,815,755.07 : 771,130,989.62 = 307,906,105.68 : x
  2. Step 2: Convert to fraction form
    558,815,755.07/771,130,989.62 = 307,906,105.68/x
  3. Step 3: Cross multiply
    558,815,755.07x = 771,130,989.62 × 307,906,105.68
  4. Step 4: Simplify right side
    558,815,755.07x = 237,435,939,981,519,168
  5. Step 5: Solve for x
    x = 237,435,939,981,519,168/558,815,755.07
  6. Step 6: Final answer
    x = 424,891,277.37

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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.