Home / 655,318,807.11-904,339,919.00-353,904,093.29

Finding the Fourth Proportional to 655,318,807.11, 904,339,919.00 and 353,904,093.29

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Solution

The fourth proportional to 655,318,807.11, 904,339,919.00 and 353,904,093.29 is: 488,387,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,318,807.11 : 904,339,919.00 = 353,904,093.29 : x
  2. Step 2: Convert to fraction form
    655,318,807.11/904,339,919.00 = 353,904,093.29/x
  3. Step 3: Cross multiply
    655,318,807.11x = 904,339,919.00 × 353,904,093.29
  4. Step 4: Simplify right side
    655,318,807.11x = 320,049,599,062,792,704
  5. Step 5: Solve for x
    x = 320,049,599,062,792,704/655,318,807.11
  6. Step 6: Final answer
    x = 488,387,629.94

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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.