Home / 330,092,003.40-495,138,005.10-305,149,705.80

Finding the Fourth Proportional to 330,092,003.40, 495,138,005.10 and 305,149,705.80

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Solution

The fourth proportional to 330,092,003.40, 495,138,005.10 and 305,149,705.80 is: 457,724,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,092,003.40 : 495,138,005.10 = 305,149,705.80 : x
  2. Step 2: Convert to fraction form
    330,092,003.40/495,138,005.10 = 305,149,705.80/x
  3. Step 3: Cross multiply
    330,092,003.40x = 495,138,005.10 × 305,149,705.80
  4. Step 4: Simplify right side
    330,092,003.40x = 151,091,216,586,663,904
  5. Step 5: Solve for x
    x = 151,091,216,586,663,904/330,092,003.40
  6. Step 6: Final answer
    x = 457,724,558.70

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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.