Home / 554,778,081.42-765,591,841.32-319,827,621.66

Finding the Fourth Proportional to 554,778,081.42, 765,591,841.32 and 319,827,621.66

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Solution

The fourth proportional to 554,778,081.42, 765,591,841.32 and 319,827,621.66 is: 441,361,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,778,081.42 : 765,591,841.32 = 319,827,621.66 : x
  2. Step 2: Convert to fraction form
    554,778,081.42/765,591,841.32 = 319,827,621.66/x
  3. Step 3: Cross multiply
    554,778,081.42x = 765,591,841.32 × 319,827,621.66
  4. Step 4: Simplify right side
    554,778,081.42x = 244,857,417,771,675,744
  5. Step 5: Solve for x
    x = 244,857,417,771,675,744/554,778,081.42
  6. Step 6: Final answer
    x = 441,361,016.18

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