Home / 12,509,665,978.27-17,263,676,173.38-7,360,072,910.54

Finding the Fourth Proportional to 12,509,665,978.27, 17,263,676,173.38 and 7,360,072,910.54

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Solution

The fourth proportional to 12,509,665,978.27, 17,263,676,173.38 and 7,360,072,910.54 is: 10,157,098,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,665,978.27 : 17,263,676,173.38 = 7,360,072,910.54 : x
  2. Step 2: Convert to fraction form
    12,509,665,978.27/17,263,676,173.38 = 7,360,072,910.54/x
  3. Step 3: Cross multiply
    12,509,665,978.27x = 17,263,676,173.38 × 7,360,072,910.54
  4. Step 4: Simplify right side
    12,509,665,978.27x = 127,061,915,340,028,985,344
  5. Step 5: Solve for x
    x = 127,061,915,340,028,985,344/12,509,665,978.27
  6. Step 6: Final answer
    x = 10,157,098,963.37

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1.5x scale

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.