Home / 516,780,235.70-775,593,367.95-512,749,157.30

Finding the Fourth Proportional to 516,780,235.70, 775,593,367.95 and 512,749,157.30

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Solution

The fourth proportional to 516,780,235.70, 775,593,367.95 and 512,749,157.30 is: 769,543,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,780,235.70 : 775,593,367.95 = 512,749,157.30 : x
  2. Step 2: Convert to fraction form
    516,780,235.70/775,593,367.95 = 512,749,157.30/x
  3. Step 3: Cross multiply
    516,780,235.70x = 775,593,367.95 × 512,749,157.30
  4. Step 4: Simplify right side
    516,780,235.70x = 397,684,845,823,831,360
  5. Step 5: Solve for x
    x = 397,684,845,823,831,360/516,780,235.70
  6. Step 6: Final answer
    x = 769,543,450.68

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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.