Home / 312,318,580.86-465,685,660.69-303,737,822.56

Finding the Fourth Proportional to 312,318,580.86, 465,685,660.69 and 303,737,822.56

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Solution

The fourth proportional to 312,318,580.86, 465,685,660.69 and 303,737,822.56 is: 452,891,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,318,580.86 : 465,685,660.69 = 303,737,822.56 : x
  2. Step 2: Convert to fraction form
    312,318,580.86/465,685,660.69 = 303,737,822.56/x
  3. Step 3: Cross multiply
    312,318,580.86x = 465,685,660.69 × 303,737,822.56
  4. Step 4: Simplify right side
    312,318,580.86x = 141,446,348,575,395,584
  5. Step 5: Solve for x
    x = 141,446,348,575,395,584/312,318,580.86
  6. Step 6: Final answer
    x = 452,891,237.49

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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.