Home / 463,942,879.10-695,454,642.90-217,858,999.53

Finding the Fourth Proportional to 463,942,879.10, 695,454,642.90 and 217,858,999.53

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Solution

The fourth proportional to 463,942,879.10, 695,454,642.90 and 217,858,999.53 is: 326,572,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,942,879.10 : 695,454,642.90 = 217,858,999.53 : x
  2. Step 2: Convert to fraction form
    463,942,879.10/695,454,642.90 = 217,858,999.53/x
  3. Step 3: Cross multiply
    463,942,879.10x = 695,454,642.90 × 217,858,999.53
  4. Step 4: Simplify right side
    463,942,879.10x = 151,511,052,720,687,424
  5. Step 5: Solve for x
    x = 151,511,052,720,687,424/463,942,879.10
  6. Step 6: Final answer
    x = 326,572,644.06

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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.