Home / 923,704,976.91-1,274,702,709.36-500,308,104.63

Finding the Fourth Proportional to 923,704,976.91, 1,274,702,709.36 and 500,308,104.63

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Solution

The fourth proportional to 923,704,976.91, 1,274,702,709.36 and 500,308,104.63 is: 690,419,682.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,704,976.91 : 1,274,702,709.36 = 500,308,104.63 : x
  2. Step 2: Convert to fraction form
    923,704,976.91/1,274,702,709.36 = 500,308,104.63/x
  3. Step 3: Cross multiply
    923,704,976.91x = 1,274,702,709.36 × 500,308,104.63
  4. Step 4: Simplify right side
    923,704,976.91x = 637,744,096,486,627,328
  5. Step 5: Solve for x
    x = 637,744,096,486,627,328/923,704,976.91
  6. Step 6: Final answer
    x = 690,419,682.07

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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.