Home / 312,318,570.39-465,685,644.67-303,737,811.94

Finding the Fourth Proportional to 312,318,570.39, 465,685,644.67 and 303,737,811.94

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Solution

The fourth proportional to 312,318,570.39, 465,685,644.67 and 303,737,811.94 is: 452,891,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,318,570.39 : 465,685,644.67 = 303,737,811.94 : x
  2. Step 2: Convert to fraction form
    312,318,570.39/465,685,644.67 = 303,737,811.94/x
  3. Step 3: Cross multiply
    312,318,570.39x = 465,685,644.67 × 303,737,811.94
  4. Step 4: Simplify right side
    312,318,570.39x = 141,446,338,763,934,128
  5. Step 5: Solve for x
    x = 141,446,338,763,934,128/312,318,570.39
  6. Step 6: Final answer
    x = 452,891,221.25

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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.