Home / 738,149,809.80-1,107,140,733.90-192,946,456.20

Finding the Fourth Proportional to 738,149,809.80, 1,107,140,733.90 and 192,946,456.20

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Solution

The fourth proportional to 738,149,809.80, 1,107,140,733.90 and 192,946,456.20 is: 289,397,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,149,809.80 : 1,107,140,733.90 = 192,946,456.20 : x
  2. Step 2: Convert to fraction form
    738,149,809.80/1,107,140,733.90 = 192,946,456.20/x
  3. Step 3: Cross multiply
    738,149,809.80x = 1,107,140,733.90 × 192,946,456.20
  4. Step 4: Simplify right side
    738,149,809.80x = 213,618,881,120,672,224
  5. Step 5: Solve for x
    x = 213,618,881,120,672,224/738,149,809.80
  6. Step 6: Final answer
    x = 289,397,732.39

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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.