Home / 681,029,322,038.37-1,021,544,966,231.10-278,112,792,327.75

Finding the Fourth Proportional to 681,029,322,038.37, 1,021,544,966,231.10 and 278,112,792,327.75

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Solution

The fourth proportional to 681,029,322,038.37, 1,021,544,966,231.10 and 278,112,792,327.75 is: 417,169,589,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029,322,038.37 : 1,021,544,966,231.10 = 278,112,792,327.75 : x
  2. Step 2: Convert to fraction form
    681,029,322,038.37/1,021,544,966,231.10 = 278,112,792,327.75/x
  3. Step 3: Cross multiply
    681,029,322,038.37x = 1,021,544,966,231.10 × 278,112,792,327.75
  4. Step 4: Simplify right side
    681,029,322,038.37x = 284,104,723,046,888,279,900,160
  5. Step 5: Solve for x
    x = 284,104,723,046,888,279,900,160/681,029,322,038.37
  6. Step 6: Final answer
    x = 417,169,589,991.43

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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.