Home / 439,589,406.42-659,244,107.10-144,416,010.51

Finding the Fourth Proportional to 439,589,406.42, 659,244,107.10 and 144,416,010.51

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Solution

The fourth proportional to 439,589,406.42, 659,244,107.10 and 144,416,010.51 is: 216,578,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,589,406.42 : 659,244,107.10 = 144,416,010.51 : x
  2. Step 2: Convert to fraction form
    439,589,406.42/659,244,107.10 = 144,416,010.51/x
  3. Step 3: Cross multiply
    439,589,406.42x = 659,244,107.10 × 144,416,010.51
  4. Step 4: Simplify right side
    439,589,406.42x = 95,205,403,899,544,176
  5. Step 5: Solve for x
    x = 95,205,403,899,544,176/439,589,406.42
  6. Step 6: Final answer
    x = 216,578,021.46

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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.