Home / 1,978,133,959.16-2,729,830,235.36-1,086,118,462.52

Finding the Fourth Proportional to 1,978,133,959.16, 2,729,830,235.36 and 1,086,118,462.52

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Solution

The fourth proportional to 1,978,133,959.16, 2,729,830,235.36 and 1,086,118,462.52 is: 1,498,846,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,133,959.16 : 2,729,830,235.36 = 1,086,118,462.52 : x
  2. Step 2: Convert to fraction form
    1,978,133,959.16/2,729,830,235.36 = 1,086,118,462.52/x
  3. Step 3: Cross multiply
    1,978,133,959.16x = 2,729,830,235.36 × 1,086,118,462.52
  4. Step 4: Simplify right side
    1,978,133,959.16x = 2,964,919,018,169,812,992
  5. Step 5: Solve for x
    x = 2,964,919,018,169,812,992/1,978,133,959.16
  6. Step 6: Final answer
    x = 1,498,846,427.69

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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.