Home / 1,309,469,196.68-1,964,185,297.70-609,569,869.51

Finding the Fourth Proportional to 1,309,469,196.68, 1,964,185,297.70 and 609,569,869.51

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Solution

The fourth proportional to 1,309,469,196.68, 1,964,185,297.70 and 609,569,869.51 is: 914,346,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,469,196.68 : 1,964,185,297.70 = 609,569,869.51 : x
  2. Step 2: Convert to fraction form
    1,309,469,196.68/1,964,185,297.70 = 609,569,869.51/x
  3. Step 3: Cross multiply
    1,309,469,196.68x = 1,964,185,297.70 × 609,569,869.51
  4. Step 4: Simplify right side
    1,309,469,196.68x = 1,197,308,175,611,856,896
  5. Step 5: Solve for x
    x = 1,197,308,175,611,856,896/1,309,469,196.68
  6. Step 6: Final answer
    x = 914,346,193.59

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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.