Home / 629,505,790.84-868,702,650.32-347,242,051.49

Finding the Fourth Proportional to 629,505,790.84, 868,702,650.32 and 347,242,051.49

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Solution

The fourth proportional to 629,505,790.84, 868,702,650.32 and 347,242,051.49 is: 479,185,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,505,790.84 : 868,702,650.32 = 347,242,051.49 : x
  2. Step 2: Convert to fraction form
    629,505,790.84/868,702,650.32 = 347,242,051.49/x
  3. Step 3: Cross multiply
    629,505,790.84x = 868,702,650.32 × 347,242,051.49
  4. Step 4: Simplify right side
    629,505,790.84x = 301,650,090,431,377,280
  5. Step 5: Solve for x
    x = 301,650,090,431,377,280/629,505,790.84
  6. Step 6: Final answer
    x = 479,185,568.78

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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.