Home / 302,212,639.20-453,318,958.80-236,455,672.80

Finding the Fourth Proportional to 302,212,639.20, 453,318,958.80 and 236,455,672.80

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Solution

The fourth proportional to 302,212,639.20, 453,318,958.80 and 236,455,672.80 is: 354,683,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,212,639.20 : 453,318,958.80 = 236,455,672.80 : x
  2. Step 2: Convert to fraction form
    302,212,639.20/453,318,958.80 = 236,455,672.80/x
  3. Step 3: Cross multiply
    302,212,639.20x = 453,318,958.80 × 236,455,672.80
  4. Step 4: Simplify right side
    302,212,639.20x = 107,189,839,396,049,488
  5. Step 5: Solve for x
    x = 107,189,839,396,049,488/302,212,639.20
  6. Step 6: Final answer
    x = 354,683,509.20

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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.