Home / 681,029,321,956.48-1,021,544,966,108.60-278,112,792,246.40

Finding the Fourth Proportional to 681,029,321,956.48, 1,021,544,966,108.60 and 278,112,792,246.40

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Solution

The fourth proportional to 681,029,321,956.48, 1,021,544,966,108.60 and 278,112,792,246.40 is: 417,169,589,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029,321,956.48 : 1,021,544,966,108.60 = 278,112,792,246.40 : x
  2. Step 2: Convert to fraction form
    681,029,321,956.48/1,021,544,966,108.60 = 278,112,792,246.40/x
  3. Step 3: Cross multiply
    681,029,321,956.48x = 1,021,544,966,108.60 × 278,112,792,246.40
  4. Step 4: Simplify right side
    681,029,321,956.48x = 284,104,722,929,716,807,335,936
  5. Step 5: Solve for x
    x = 284,104,722,929,716,807,335,936/681,029,321,956.48
  6. Step 6: Final answer
    x = 417,169,589,869.54

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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.