Home / 312,318,579.86-465,685,659.20-303,737,821.56

Finding the Fourth Proportional to 312,318,579.86, 465,685,659.20 and 303,737,821.56

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Solution

The fourth proportional to 312,318,579.86, 465,685,659.20 and 303,737,821.56 is: 452,891,236.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,318,579.86 : 465,685,659.20 = 303,737,821.56 : x
  2. Step 2: Convert to fraction form
    312,318,579.86/465,685,659.20 = 303,737,821.56/x
  3. Step 3: Cross multiply
    312,318,579.86x = 465,685,659.20 × 303,737,821.56
  4. Step 4: Simplify right side
    312,318,579.86x = 141,446,347,657,140,576
  5. Step 5: Solve for x
    x = 141,446,347,657,140,576/312,318,579.86
  6. Step 6: Final answer
    x = 452,891,236.00

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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.