Home / 404,352,144.60-606,528,216.90-131,719,363.80

Finding the Fourth Proportional to 404,352,144.60, 606,528,216.90 and 131,719,363.80

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Solution

The fourth proportional to 404,352,144.60, 606,528,216.90 and 131,719,363.80 is: 197,579,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,352,144.60 : 606,528,216.90 = 131,719,363.80 : x
  2. Step 2: Convert to fraction form
    404,352,144.60/606,528,216.90 = 131,719,363.80/x
  3. Step 3: Cross multiply
    404,352,144.60x = 606,528,216.90 × 131,719,363.80
  4. Step 4: Simplify right side
    404,352,144.60x = 79,891,510,856,816,400
  5. Step 5: Solve for x
    x = 79,891,510,856,816,400/404,352,144.60
  6. Step 6: Final answer
    x = 197,579,045.70

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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.