Home / 681,029,321,947.66-1,021,544,966,095-278,112,792,237.02

Finding the Fourth Proportional to 681,029,321,947.66, 1,021,544,966,095 and 278,112,792,237.02

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Solution

The fourth proportional to 681,029,321,947.66, 1,021,544,966,095 and 278,112,792,237.02 is: 417,169,589,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029,321,947.66 : 1,021,544,966,095 = 278,112,792,237.02 : x
  2. Step 2: Convert to fraction form
    681,029,321,947.66/1,021,544,966,095 = 278,112,792,237.02/x
  3. Step 3: Cross multiply
    681,029,321,947.66x = 1,021,544,966,095 × 278,112,792,237.02
  4. Step 4: Simplify right side
    681,029,321,947.66x = 284,104,722,916,352,379,060,224
  5. Step 5: Solve for x
    x = 284,104,722,916,352,379,060,224/681,029,321,947.66
  6. Step 6: Final answer
    x = 417,169,589,855.32

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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.