Home / 415,430,153.80-623,145,230.70-200,439,305.80

Finding the Fourth Proportional to 415,430,153.80, 623,145,230.70 and 200,439,305.80

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Solution

The fourth proportional to 415,430,153.80, 623,145,230.70 and 200,439,305.80 is: 300,658,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,430,153.80 : 623,145,230.70 = 200,439,305.80 : x
  2. Step 2: Convert to fraction form
    415,430,153.80/623,145,230.70 = 200,439,305.80/x
  3. Step 3: Cross multiply
    415,430,153.80x = 623,145,230.70 × 200,439,305.80
  4. Step 4: Simplify right side
    415,430,153.80x = 124,902,797,454,088,864
  5. Step 5: Solve for x
    x = 124,902,797,454,088,864/415,430,153.80
  6. Step 6: Final answer
    x = 300,658,958.70

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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.