Home / 442,880,562.80-664,320,844.20-119,764,434.80

Finding the Fourth Proportional to 442,880,562.80, 664,320,844.20 and 119,764,434.80

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Solution

The fourth proportional to 442,880,562.80, 664,320,844.20 and 119,764,434.80 is: 179,646,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,880,562.80 : 664,320,844.20 = 119,764,434.80 : x
  2. Step 2: Convert to fraction form
    442,880,562.80/664,320,844.20 = 119,764,434.80/x
  3. Step 3: Cross multiply
    442,880,562.80x = 664,320,844.20 × 119,764,434.80
  4. Step 4: Simplify right side
    442,880,562.80x = 79,562,010,431,471,856
  5. Step 5: Solve for x
    x = 79,562,010,431,471,856/442,880,562.80
  6. Step 6: Final answer
    x = 179,646,652.20

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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.