Home / 496,111,764.23-684,251,828.87-308,051,401.85

Finding the Fourth Proportional to 496,111,764.23, 684,251,828.87 and 308,051,401.85

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Solution

The fourth proportional to 496,111,764.23, 684,251,828.87 and 308,051,401.85 is: 424,873,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,111,764.23 : 684,251,828.87 = 308,051,401.85 : x
  2. Step 2: Convert to fraction form
    496,111,764.23/684,251,828.87 = 308,051,401.85/x
  3. Step 3: Cross multiply
    496,111,764.23x = 684,251,828.87 × 308,051,401.85
  4. Step 4: Simplify right side
    496,111,764.23x = 210,784,735,096,868,320
  5. Step 5: Solve for x
    x = 210,784,735,096,868,320/496,111,764.23
  6. Step 6: Final answer
    x = 424,873,486.78

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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.