Home / 681,029,321,944.89-1,021,544,966,090.90-278,112,792,234.26

Finding the Fourth Proportional to 681,029,321,944.89, 1,021,544,966,090.90 and 278,112,792,234.26

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Solution

The fourth proportional to 681,029,321,944.89, 1,021,544,966,090.90 and 278,112,792,234.26 is: 417,169,589,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029,321,944.89 : 1,021,544,966,090.90 = 278,112,792,234.26 : x
  2. Step 2: Convert to fraction form
    681,029,321,944.89/1,021,544,966,090.90 = 278,112,792,234.26/x
  3. Step 3: Cross multiply
    681,029,321,944.89x = 1,021,544,966,090.90 × 278,112,792,234.26
  4. Step 4: Simplify right side
    681,029,321,944.89x = 284,104,722,912,392,654,094,336
  5. Step 5: Solve for x
    x = 284,104,722,912,392,654,094,336/681,029,321,944.89
  6. Step 6: Final answer
    x = 417,169,589,851.20

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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.