Home / 394,994,269.51-545,092,081.80-218,793,615.85

Finding the Fourth Proportional to 394,994,269.51, 545,092,081.80 and 218,793,615.85

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Solution

The fourth proportional to 394,994,269.51, 545,092,081.80 and 218,793,615.85 is: 301,935,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,994,269.51 : 545,092,081.80 = 218,793,615.85 : x
  2. Step 2: Convert to fraction form
    394,994,269.51/545,092,081.80 = 218,793,615.85/x
  3. Step 3: Cross multiply
    394,994,269.51x = 545,092,081.80 × 218,793,615.85
  4. Step 4: Simplify right side
    394,994,269.51x = 119,262,667,548,225,968
  5. Step 5: Solve for x
    x = 119,262,667,548,225,968/394,994,269.51
  6. Step 6: Final answer
    x = 301,935,184.27

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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.