Home / 700,786,905.64-967,092,195.90-387,542,195.80

Finding the Fourth Proportional to 700,786,905.64, 967,092,195.90 and 387,542,195.80

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Solution

The fourth proportional to 700,786,905.64, 967,092,195.90 and 387,542,195.80 is: 534,811,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,786,905.64 : 967,092,195.90 = 387,542,195.80 : x
  2. Step 2: Convert to fraction form
    700,786,905.64/967,092,195.90 = 387,542,195.80/x
  3. Step 3: Cross multiply
    700,786,905.64x = 967,092,195.90 × 387,542,195.80
  4. Step 4: Simplify right side
    700,786,905.64x = 374,789,033,140,129,728
  5. Step 5: Solve for x
    x = 374,789,033,140,129,728/700,786,905.64
  6. Step 6: Final answer
    x = 534,811,695.43

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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.