Home / 565,934,555.84-780,933,942.24-318,410,444.48

Finding the Fourth Proportional to 565,934,555.84, 780,933,942.24 and 318,410,444.48

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Solution

The fourth proportional to 565,934,555.84, 780,933,942.24 and 318,410,444.48 is: 439,375,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,934,555.84 : 780,933,942.24 = 318,410,444.48 : x
  2. Step 2: Convert to fraction form
    565,934,555.84/780,933,942.24 = 318,410,444.48/x
  3. Step 3: Cross multiply
    565,934,555.84x = 780,933,942.24 × 318,410,444.48
  4. Step 4: Simplify right side
    565,934,555.84x = 248,657,523,658,157,056
  5. Step 5: Solve for x
    x = 248,657,523,658,157,056/565,934,555.84
  6. Step 6: Final answer
    x = 439,375,049.80

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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.