Home / 330,858,049.60-496,305,736.80-100,834,638.40

Finding the Fourth Proportional to 330,858,049.60, 496,305,736.80 and 100,834,638.40

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Solution

The fourth proportional to 330,858,049.60, 496,305,736.80 and 100,834,638.40 is: 151,257,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,858,049.60 : 496,305,736.80 = 100,834,638.40 : x
  2. Step 2: Convert to fraction form
    330,858,049.60/496,305,736.80 = 100,834,638.40/x
  3. Step 3: Cross multiply
    330,858,049.60x = 496,305,736.80 × 100,834,638.40
  4. Step 4: Simplify right side
    330,858,049.60x = 50,044,809,506,073,576
  5. Step 5: Solve for x
    x = 50,044,809,506,073,576/330,858,049.60
  6. Step 6: Final answer
    x = 151,257,645.28

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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.