Home / 13,193,463,608.28-18,206,850,430.62-7,171,610,725.26

Finding the Fourth Proportional to 13,193,463,608.28, 18,206,850,430.62 and 7,171,610,725.26

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Solution

The fourth proportional to 13,193,463,608.28, 18,206,850,430.62 and 7,171,610,725.26 is: 9,896,752,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193,463,608.28 : 18,206,850,430.62 = 7,171,610,725.26 : x
  2. Step 2: Convert to fraction form
    13,193,463,608.28/18,206,850,430.62 = 7,171,610,725.26/x
  3. Step 3: Cross multiply
    13,193,463,608.28x = 18,206,850,430.62 × 7,171,610,725.26
  4. Step 4: Simplify right side
    13,193,463,608.28x = 130,572,443,821,439,041,536
  5. Step 5: Solve for x
    x = 130,572,443,821,439,041,536/13,193,463,608.28
  6. Step 6: Final answer
    x = 9,896,752,490.34

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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.