Home / 681,029,321,943.96-1,021,544,966,089.50-278,112,792,233.32

Finding the Fourth Proportional to 681,029,321,943.96, 1,021,544,966,089.50 and 278,112,792,233.32

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Solution

The fourth proportional to 681,029,321,943.96, 1,021,544,966,089.50 and 278,112,792,233.32 is: 417,169,589,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029,321,943.96 : 1,021,544,966,089.50 = 278,112,792,233.32 : x
  2. Step 2: Convert to fraction form
    681,029,321,943.96/1,021,544,966,089.50 = 278,112,792,233.32/x
  3. Step 3: Cross multiply
    681,029,321,943.96x = 1,021,544,966,089.50 × 278,112,792,233.32
  4. Step 4: Simplify right side
    681,029,321,943.96x = 284,104,722,911,043,061,284,864
  5. Step 5: Solve for x
    x = 284,104,722,911,043,061,284,864/681,029,321,943.96
  6. Step 6: Final answer
    x = 417,169,589,849.79

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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.