Home / 443,231,935.20-664,847,902.80-201,367,231.20

Finding the Fourth Proportional to 443,231,935.20, 664,847,902.80 and 201,367,231.20

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Solution

The fourth proportional to 443,231,935.20, 664,847,902.80 and 201,367,231.20 is: 302,050,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,231,935.20 : 664,847,902.80 = 201,367,231.20 : x
  2. Step 2: Convert to fraction form
    443,231,935.20/664,847,902.80 = 201,367,231.20/x
  3. Step 3: Cross multiply
    443,231,935.20x = 664,847,902.80 × 201,367,231.20
  4. Step 4: Simplify right side
    443,231,935.20x = 133,878,581,355,962,704
  5. Step 5: Solve for x
    x = 133,878,581,355,962,704/443,231,935.20
  6. Step 6: Final answer
    x = 302,050,846.80

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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.