Home / 295,114,747.20-442,672,120.80-291,083,668.80

Finding the Fourth Proportional to 295,114,747.20, 442,672,120.80 and 291,083,668.80

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Solution

The fourth proportional to 295,114,747.20, 442,672,120.80 and 291,083,668.80 is: 436,625,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,114,747.20 : 442,672,120.80 = 291,083,668.80 : x
  2. Step 2: Convert to fraction form
    295,114,747.20/442,672,120.80 = 291,083,668.80/x
  3. Step 3: Cross multiply
    295,114,747.20x = 442,672,120.80 × 291,083,668.80
  4. Step 4: Simplify right side
    295,114,747.20x = 128,854,624,997,940,800
  5. Step 5: Solve for x
    x = 128,854,624,997,940,800/295,114,747.20
  6. Step 6: Final answer
    x = 436,625,503.20

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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.