Home / 436,172,455.20-654,615,601.20-432,771,232.80

Finding the Fourth Proportional to 436,172,455.20, 654,615,601.20 and 432,771,232.80

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Solution

The fourth proportional to 436,172,455.20, 654,615,601.20 and 432,771,232.80 is: 649,510,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,172,455.20 : 654,615,601.20 = 432,771,232.80 : x
  2. Step 2: Convert to fraction form
    436,172,455.20/654,615,601.20 = 432,771,232.80/x
  3. Step 3: Cross multiply
    436,172,455.20x = 654,615,601.20 × 432,771,232.80
  4. Step 4: Simplify right side
    436,172,455.20x = 283,298,800,741,437,184
  5. Step 5: Solve for x
    x = 283,298,800,741,437,184/436,172,455.20
  6. Step 6: Final answer
    x = 649,510,984.39

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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.