Home / 394,704,347,691.85-544,695,197,975.30-218,723,753,177.15

Finding the Fourth Proportional to 394,704,347,691.85, 544,695,197,975.30 and 218,723,753,177.15

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Solution

The fourth proportional to 394,704,347,691.85, 544,695,197,975.30 and 218,723,753,177.15 is: 301,840,551,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,704,347,691.85 : 544,695,197,975.30 = 218,723,753,177.15 : x
  2. Step 2: Convert to fraction form
    394,704,347,691.85/544,695,197,975.30 = 218,723,753,177.15/x
  3. Step 3: Cross multiply
    394,704,347,691.85x = 544,695,197,975.30 × 218,723,753,177.15
  4. Step 4: Simplify right side
    394,704,347,691.85x = 119,137,778,038,728,371,994,624
  5. Step 5: Solve for x
    x = 119,137,778,038,728,371,994,624/394,704,347,691.85
  6. Step 6: Final answer
    x = 301,840,551,631.68

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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.