Home / 312,318,568.13-465,685,641.32-303,737,809.69

Finding the Fourth Proportional to 312,318,568.13, 465,685,641.32 and 303,737,809.69

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Solution

The fourth proportional to 312,318,568.13, 465,685,641.32 and 303,737,809.69 is: 452,891,217.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,318,568.13 : 465,685,641.32 = 303,737,809.69 : x
  2. Step 2: Convert to fraction form
    312,318,568.13/465,685,641.32 = 303,737,809.69/x
  3. Step 3: Cross multiply
    312,318,568.13x = 465,685,641.32 × 303,737,809.69
  4. Step 4: Simplify right side
    312,318,568.13x = 141,446,336,698,619,760
  5. Step 5: Solve for x
    x = 141,446,336,698,619,760/312,318,568.13
  6. Step 6: Final answer
    x = 452,891,217.92

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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.