Home / 520,272,282.88-780,096,768.92-165,593,362.85

Finding the Fourth Proportional to 520,272,282.88, 780,096,768.92 and 165,593,362.85

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Solution

The fourth proportional to 520,272,282.88, 780,096,768.92 and 165,593,362.85 is: 248,290,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,272,282.88 : 780,096,768.92 = 165,593,362.85 : x
  2. Step 2: Convert to fraction form
    520,272,282.88/780,096,768.92 = 165,593,362.85/x
  3. Step 3: Cross multiply
    520,272,282.88x = 780,096,768.92 × 165,593,362.85
  4. Step 4: Simplify right side
    520,272,282.88x = 129,178,847,315,004,432
  5. Step 5: Solve for x
    x = 129,178,847,315,004,432/520,272,282.88
  6. Step 6: Final answer
    x = 248,290,849.94

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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.