Home / 923,469,149.79-1,274,388,117.24-500,083,275.15

Finding the Fourth Proportional to 923,469,149.79, 1,274,388,117.24 and 500,083,275.15

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Solution

The fourth proportional to 923,469,149.79, 1,274,388,117.24 and 500,083,275.15 is: 690,115,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,469,149.79 : 1,274,388,117.24 = 500,083,275.15 : x
  2. Step 2: Convert to fraction form
    923,469,149.79/1,274,388,117.24 = 500,083,275.15/x
  3. Step 3: Cross multiply
    923,469,149.79x = 1,274,388,117.24 × 500,083,275.15
  4. Step 4: Simplify right side
    923,469,149.79x = 637,300,183,481,621,376
  5. Step 5: Solve for x
    x = 637,300,183,481,621,376/923,469,149.79
  6. Step 6: Final answer
    x = 690,115,293.65

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Double scale
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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.