Home / 734,066,561.09-1,013,016,067.20-399,538,285.73

Finding the Fourth Proportional to 734,066,561.09, 1,013,016,067.20 and 399,538,285.73

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Solution

The fourth proportional to 734,066,561.09, 1,013,016,067.20 and 399,538,285.73 is: 551,365,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,066,561.09 : 1,013,016,067.20 = 399,538,285.73 : x
  2. Step 2: Convert to fraction form
    734,066,561.09/1,013,016,067.20 = 399,538,285.73/x
  3. Step 3: Cross multiply
    734,066,561.09x = 1,013,016,067.20 × 399,538,285.73
  4. Step 4: Simplify right side
    734,066,561.09x = 404,738,702,904,768,192
  5. Step 5: Solve for x
    x = 404,738,702,904,768,192/734,066,561.09
  6. Step 6: Final answer
    x = 551,365,127.31

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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.