Home / 520,510,957.45-718,305,067.89-294,445,111.48

Finding the Fourth Proportional to 520,510,957.45, 718,305,067.89 and 294,445,111.48

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Solution

The fourth proportional to 520,510,957.45, 718,305,067.89 and 294,445,111.48 is: 406,334,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,510,957.45 : 718,305,067.89 = 294,445,111.48 : x
  2. Step 2: Convert to fraction form
    520,510,957.45/718,305,067.89 = 294,445,111.48/x
  3. Step 3: Cross multiply
    520,510,957.45x = 718,305,067.89 × 294,445,111.48
  4. Step 4: Simplify right side
    520,510,957.45x = 211,501,415,791,520,032
  5. Step 5: Solve for x
    x = 211,501,415,791,520,032/520,510,957.45
  6. Step 6: Final answer
    x = 406,334,223.64

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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.