Home / 330,069,296.40-495,103,944.60-305,126,998.80

Finding the Fourth Proportional to 330,069,296.40, 495,103,944.60 and 305,126,998.80

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Solution

The fourth proportional to 330,069,296.40, 495,103,944.60 and 305,126,998.80 is: 457,690,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,069,296.40 : 495,103,944.60 = 305,126,998.80 : x
  2. Step 2: Convert to fraction form
    330,069,296.40/495,103,944.60 = 305,126,998.80/x
  3. Step 3: Cross multiply
    330,069,296.40x = 495,103,944.60 × 305,126,998.80
  4. Step 4: Simplify right side
    330,069,296.40x = 151,069,580,709,839,488
  5. Step 5: Solve for x
    x = 151,069,580,709,839,488/330,069,296.40
  6. Step 6: Final answer
    x = 457,690,498.20

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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.