Home / 29,127,892,530.80-40,196,597,626.44-15,761,885,660.30

Finding the Fourth Proportional to 29,127,892,530.80, 40,196,597,626.44 and 15,761,885,660.30

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Solution

The fourth proportional to 29,127,892,530.80, 40,196,597,626.44 and 15,761,885,660.30 is: 21,751,459,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,127,892,530.80 : 40,196,597,626.44 = 15,761,885,660.30 : x
  2. Step 2: Convert to fraction form
    29,127,892,530.80/40,196,597,626.44 = 15,761,885,660.30/x
  3. Step 3: Cross multiply
    29,127,892,530.80x = 40,196,597,626.44 × 15,761,885,660.30
  4. Step 4: Simplify right side
    29,127,892,530.80x = 633,574,175,720,954,789,888
  5. Step 5: Solve for x
    x = 633,574,175,720,954,789,888/29,127,892,530.80
  6. Step 6: Final answer
    x = 21,751,459,534.91

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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.