Home / 554,699,990-765,510,048.67-307,181,344.25

Finding the Fourth Proportional to 554,699,990, 765,510,048.67 and 307,181,344.25

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Solution

The fourth proportional to 554,699,990, 765,510,048.67 and 307,181,344.25 is: 423,923,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,699,990 : 765,510,048.67 = 307,181,344.25 : x
  2. Step 2: Convert to fraction form
    554,699,990/765,510,048.67 = 307,181,344.25/x
  3. Step 3: Cross multiply
    554,699,990x = 765,510,048.67 × 307,181,344.25
  4. Step 4: Simplify right side
    554,699,990x = 235,150,405,787,333,504
  5. Step 5: Solve for x
    x = 235,150,405,787,333,504/554,699,990
  6. Step 6: Final answer
    x = 423,923,580.36

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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.