Home / 699,222,046.20-964,926,518.23-385,956,319.29

Finding the Fourth Proportional to 699,222,046.20, 964,926,518.23 and 385,956,319.29

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Solution

The fourth proportional to 699,222,046.20, 964,926,518.23 and 385,956,319.29 is: 532,619,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,222,046.20 : 964,926,518.23 = 385,956,319.29 : x
  2. Step 2: Convert to fraction form
    699,222,046.20/964,926,518.23 = 385,956,319.29/x
  3. Step 3: Cross multiply
    699,222,046.20x = 964,926,518.23 × 385,956,319.29
  4. Step 4: Simplify right side
    699,222,046.20x = 372,419,487,361,365,888
  5. Step 5: Solve for x
    x = 372,419,487,361,365,888/699,222,046.20
  6. Step 6: Final answer
    x = 532,619,772.77

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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.