Home / 415,430,156.30-623,145,234.45-200,439,308.30

Finding the Fourth Proportional to 415,430,156.30, 623,145,234.45 and 200,439,308.30

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Solution

The fourth proportional to 415,430,156.30, 623,145,234.45 and 200,439,308.30 is: 300,658,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,430,156.30 : 623,145,234.45 = 200,439,308.30 : x
  2. Step 2: Convert to fraction form
    415,430,156.30/623,145,234.45 = 200,439,308.30/x
  3. Step 3: Cross multiply
    415,430,156.30x = 623,145,234.45 × 200,439,308.30
  4. Step 4: Simplify right side
    415,430,156.30x = 124,902,799,763,599,344
  5. Step 5: Solve for x
    x = 124,902,799,763,599,344/415,430,156.30
  6. Step 6: Final answer
    x = 300,658,962.45

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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.