Home / 1,274,379,893.56-1,911,771,394.26-456,474,086.20

Finding the Fourth Proportional to 1,274,379,893.56, 1,911,771,394.26 and 456,474,086.20

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Solution

The fourth proportional to 1,274,379,893.56, 1,911,771,394.26 and 456,474,086.20 is: 684,783,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,379,893.56 : 1,911,771,394.26 = 456,474,086.20 : x
  2. Step 2: Convert to fraction form
    1,274,379,893.56/1,911,771,394.26 = 456,474,086.20/x
  3. Step 3: Cross multiply
    1,274,379,893.56x = 1,911,771,394.26 × 456,474,086.20
  4. Step 4: Simplify right side
    1,274,379,893.56x = 872,674,100,218,133,376
  5. Step 5: Solve for x
    x = 872,674,100,218,133,376/1,274,379,893.56
  6. Step 6: Final answer
    x = 684,783,324.52

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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.