Home / 330,531,353.80-495,735,365.50-133,743,196.58

Finding the Fourth Proportional to 330,531,353.80, 495,735,365.50 and 133,743,196.58

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Solution

The fourth proportional to 330,531,353.80, 495,735,365.50 and 133,743,196.58 is: 200,589,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,531,353.80 : 495,735,365.50 = 133,743,196.58 : x
  2. Step 2: Convert to fraction form
    330,531,353.80/495,735,365.50 = 133,743,196.58/x
  3. Step 3: Cross multiply
    330,531,353.80x = 495,735,365.50 × 133,743,196.58
  4. Step 4: Simplify right side
    330,531,353.80x = 66,301,232,436,911,616
  5. Step 5: Solve for x
    x = 66,301,232,436,911,616/330,531,353.80
  6. Step 6: Final answer
    x = 200,589,843.22

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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.