Home / 667,147,047.69-920,661,336.70-365,731,823.89

Finding the Fourth Proportional to 667,147,047.69, 920,661,336.70 and 365,731,823.89

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Solution

The fourth proportional to 667,147,047.69, 920,661,336.70 and 365,731,823.89 is: 504,709,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,147,047.69 : 920,661,336.70 = 365,731,823.89 : x
  2. Step 2: Convert to fraction form
    667,147,047.69/920,661,336.70 = 365,731,823.89/x
  3. Step 3: Cross multiply
    667,147,047.69x = 920,661,336.70 × 365,731,823.89
  4. Step 4: Simplify right side
    667,147,047.69x = 336,715,149,856,296,384
  5. Step 5: Solve for x
    x = 336,715,149,856,296,384/667,147,047.69
  6. Step 6: Final answer
    x = 504,709,045.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.