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Finding the Fourth Proportional to 626,263,562.08, 864,193,315.08 and 361,962,673.86

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Solution

The fourth proportional to 626,263,562.08, 864,193,315.08 and 361,962,673.86 is: 499,479,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,263,562.08 : 864,193,315.08 = 361,962,673.86 : x
  2. Step 2: Convert to fraction form
    626,263,562.08/864,193,315.08 = 361,962,673.86/x
  3. Step 3: Cross multiply
    626,263,562.08x = 864,193,315.08 × 361,962,673.86
  4. Step 4: Simplify right side
    626,263,562.08x = 312,805,723,058,294,272
  5. Step 5: Solve for x
    x = 312,805,723,058,294,272/626,263,562.08
  6. Step 6: Final answer
    x = 499,479,359.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.