Home / 3,175,569,987.11-4,763,897,653.79-1,309,195,427.60

Finding the Fourth Proportional to 3,175,569,987.11, 4,763,897,653.79 and 1,309,195,427.60

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Solution

The fourth proportional to 3,175,569,987.11, 4,763,897,653.79 and 1,309,195,427.60 is: 1,964,016,869.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,569,987.11 : 4,763,897,653.79 = 1,309,195,427.60 : x
  2. Step 2: Convert to fraction form
    3,175,569,987.11/4,763,897,653.79 = 1,309,195,427.60/x
  3. Step 3: Cross multiply
    3,175,569,987.11x = 4,763,897,653.79 × 1,309,195,427.60
  4. Step 4: Simplify right side
    3,175,569,987.11x = 6,236,873,025,896,235,008
  5. Step 5: Solve for x
    x = 6,236,873,025,896,235,008/3,175,569,987.11
  6. Step 6: Final answer
    x = 1,964,016,869.79

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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.