Home / 28,970,794,640.40-43,456,191,960.60-15,712,404,572.40

Finding the Fourth Proportional to 28,970,794,640.40, 43,456,191,960.60 and 15,712,404,572.40

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Solution

The fourth proportional to 28,970,794,640.40, 43,456,191,960.60 and 15,712,404,572.40 is: 23,568,606,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,794,640.40 : 43,456,191,960.60 = 15,712,404,572.40 : x
  2. Step 2: Convert to fraction form
    28,970,794,640.40/43,456,191,960.60 = 15,712,404,572.40/x
  3. Step 3: Cross multiply
    28,970,794,640.40x = 43,456,191,960.60 × 15,712,404,572.40
  4. Step 4: Simplify right side
    28,970,794,640.40x = 682,801,269,260,823,560,192
  5. Step 5: Solve for x
    x = 682,801,269,260,823,560,192/28,970,794,640.40
  6. Step 6: Final answer
    x = 23,568,606,858.60

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1.5x scale

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.