Home / 681,029,322,039.86-1,021,544,966,233.40-278,112,792,329.24

Finding the Fourth Proportional to 681,029,322,039.86, 1,021,544,966,233.40 and 278,112,792,329.24

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Solution

The fourth proportional to 681,029,322,039.86, 1,021,544,966,233.40 and 278,112,792,329.24 is: 417,169,589,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029,322,039.86 : 1,021,544,966,233.40 = 278,112,792,329.24 : x
  2. Step 2: Convert to fraction form
    681,029,322,039.86/1,021,544,966,233.40 = 278,112,792,329.24/x
  3. Step 3: Cross multiply
    681,029,322,039.86x = 1,021,544,966,233.40 × 278,112,792,329.24
  4. Step 4: Simplify right side
    681,029,322,039.86x = 284,104,723,049,050,057,736,192
  5. Step 5: Solve for x
    x = 284,104,723,049,050,057,736,192/681,029,322,039.86
  6. Step 6: Final answer
    x = 417,169,589,993.69

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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.