Home / 1,382,448,798,455.30-2,084,034,935,185.80-1,290,294,378,138.50

Finding the Fourth Proportional to 1,382,448,798,455.30, 2,084,034,935,185.80 and 1,290,294,378,138.50

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Solution

The fourth proportional to 1,382,448,798,455.30, 2,084,034,935,185.80 and 1,290,294,378,138.50 is: 1,945,112,588,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,448,798,455.30 : 2,084,034,935,185.80 = 1,290,294,378,138.50 : x
  2. Step 2: Convert to fraction form
    1,382,448,798,455.30/2,084,034,935,185.80 = 1,290,294,378,138.50/x
  3. Step 3: Cross multiply
    1,382,448,798,455.30x = 2,084,034,935,185.80 × 1,290,294,378,138.50
  4. Step 4: Simplify right side
    1,382,448,798,455.30x = 2,689,018,560,714,470,932,348,928
  5. Step 5: Solve for x
    x = 2,689,018,560,714,470,932,348,928/1,382,448,798,455.30
  6. Step 6: Final answer
    x = 1,945,112,588,414.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.