Home / 472,824,076.80-709,236,115.20-291,425,548.80

Finding the Fourth Proportional to 472,824,076.80, 709,236,115.20 and 291,425,548.80

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Solution

The fourth proportional to 472,824,076.80, 709,236,115.20 and 291,425,548.80 is: 437,138,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,824,076.80 : 709,236,115.20 = 291,425,548.80 : x
  2. Step 2: Convert to fraction form
    472,824,076.80/709,236,115.20 = 291,425,548.80/x
  3. Step 3: Cross multiply
    472,824,076.80x = 709,236,115.20 × 291,425,548.80
  4. Step 4: Simplify right side
    472,824,076.80x = 206,689,524,100,940,032
  5. Step 5: Solve for x
    x = 206,689,524,100,940,032/472,824,076.80
  6. Step 6: Final answer
    x = 437,138,323.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.