Home / 280,111,536.29-418,351,226.92-253,797,798.15

Finding the Fourth Proportional to 280,111,536.29, 418,351,226.92 and 253,797,798.15

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Solution

The fourth proportional to 280,111,536.29, 418,351,226.92 and 253,797,798.15 is: 379,051,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,111,536.29 : 418,351,226.92 = 253,797,798.15 : x
  2. Step 2: Convert to fraction form
    280,111,536.29/418,351,226.92 = 253,797,798.15/x
  3. Step 3: Cross multiply
    280,111,536.29x = 418,351,226.92 × 253,797,798.15
  4. Step 4: Simplify right side
    280,111,536.29x = 106,176,620,245,723,152
  5. Step 5: Solve for x
    x = 106,176,620,245,723,152/280,111,536.29
  6. Step 6: Final answer
    x = 379,051,222.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.