Home / 378,153,620.64-522,282,463.20-254,179,064.16

Finding the Fourth Proportional to 378,153,620.64, 522,282,463.20 and 254,179,064.16

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Solution

The fourth proportional to 378,153,620.64, 522,282,463.20 and 254,179,064.16 is: 351,056,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,153,620.64 : 522,282,463.20 = 254,179,064.16 : x
  2. Step 2: Convert to fraction form
    378,153,620.64/522,282,463.20 = 254,179,064.16/x
  3. Step 3: Cross multiply
    378,153,620.64x = 522,282,463.20 × 254,179,064.16
  4. Step 4: Simplify right side
    378,153,620.64x = 132,753,267,723,355,632
  5. Step 5: Solve for x
    x = 132,753,267,723,355,632/378,153,620.64
  6. Step 6: Final answer
    x = 351,056,450.28

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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.