Home / 1,072,664,660.33-1,608,128,706.95-335,355,042.20

Finding the Fourth Proportional to 1,072,664,660.33, 1,608,128,706.95 and 335,355,042.20

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Solution

The fourth proportional to 1,072,664,660.33, 1,608,128,706.95 and 335,355,042.20 is: 502,761,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,664,660.33 : 1,608,128,706.95 = 335,355,042.20 : x
  2. Step 2: Convert to fraction form
    1,072,664,660.33/1,608,128,706.95 = 335,355,042.20/x
  3. Step 3: Cross multiply
    1,072,664,660.33x = 1,608,128,706.95 × 335,355,042.20
  4. Step 4: Simplify right side
    1,072,664,660.33x = 539,294,070,375,046,464
  5. Step 5: Solve for x
    x = 539,294,070,375,046,464/1,072,664,660.33
  6. Step 6: Final answer
    x = 502,761,105.42

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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.