Home / 1,278,636,883.02-1,763,546,601.47-1,100,321,321.76

Finding the Fourth Proportional to 1,278,636,883.02, 1,763,546,601.47 and 1,100,321,321.76

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Solution

The fourth proportional to 1,278,636,883.02, 1,763,546,601.47 and 1,100,321,321.76 is: 1,517,606,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,636,883.02 : 1,763,546,601.47 = 1,100,321,321.76 : x
  2. Step 2: Convert to fraction form
    1,278,636,883.02/1,763,546,601.47 = 1,100,321,321.76/x
  3. Step 3: Cross multiply
    1,278,636,883.02x = 1,763,546,601.47 × 1,100,321,321.76
  4. Step 4: Simplify right side
    1,278,636,883.02x = 1,940,467,927,509,324,544
  5. Step 5: Solve for x
    x = 1,940,467,927,509,324,544/1,278,636,883.02
  6. Step 6: Final answer
    x = 1,517,606,721.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.