Home / 681,029,321,947.32-1,021,544,966,094.50-278,112,792,236.70

Finding the Fourth Proportional to 681,029,321,947.32, 1,021,544,966,094.50 and 278,112,792,236.70

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Solution

The fourth proportional to 681,029,321,947.32, 1,021,544,966,094.50 and 278,112,792,236.70 is: 417,169,589,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029,321,947.32 : 1,021,544,966,094.50 = 278,112,792,236.70 : x
  2. Step 2: Convert to fraction form
    681,029,321,947.32/1,021,544,966,094.50 = 278,112,792,236.70/x
  3. Step 3: Cross multiply
    681,029,321,947.32x = 1,021,544,966,094.50 × 278,112,792,236.70
  4. Step 4: Simplify right side
    681,029,321,947.32x = 284,104,722,915,886,442,217,472
  5. Step 5: Solve for x
    x = 284,104,722,915,886,442,217,472/681,029,321,947.32
  6. Step 6: Final answer
    x = 417,169,589,854.85

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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.