Home / 815,761,969.74-1,125,751,680.30-444,484,001.16

Finding the Fourth Proportional to 815,761,969.74, 1,125,751,680.30 and 444,484,001.16

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Solution

The fourth proportional to 815,761,969.74, 1,125,751,680.30 and 444,484,001.16 is: 613,388,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,761,969.74 : 1,125,751,680.30 = 444,484,001.16 : x
  2. Step 2: Convert to fraction form
    815,761,969.74/1,125,751,680.30 = 444,484,001.16/x
  3. Step 3: Cross multiply
    815,761,969.74x = 1,125,751,680.30 × 444,484,001.16
  4. Step 4: Simplify right side
    815,761,969.74x = 500,378,611,172,337,152
  5. Step 5: Solve for x
    x = 500,378,611,172,337,152/815,761,969.74
  6. Step 6: Final answer
    x = 613,388,009.90

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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.