Home / 499,621,020.75-749,188,741.32-250,519,259.16

Finding the Fourth Proportional to 499,621,020.75, 749,188,741.32 and 250,519,259.16

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Solution

The fourth proportional to 499,621,020.75, 749,188,741.32 and 250,519,259.16 is: 375,657,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,621,020.75 : 749,188,741.32 = 250,519,259.16 : x
  2. Step 2: Convert to fraction form
    499,621,020.75/749,188,741.32 = 250,519,259.16/x
  3. Step 3: Cross multiply
    499,621,020.75x = 749,188,741.32 × 250,519,259.16
  4. Step 4: Simplify right side
    499,621,020.75x = 187,686,208,446,499,296
  5. Step 5: Solve for x
    x = 187,686,208,446,499,296/499,621,020.75
  6. Step 6: Final answer
    x = 375,657,149.42

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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.