Home / 400,423,499.86-600,415,806.87-123,997,971.94

Finding the Fourth Proportional to 400,423,499.86, 600,415,806.87 and 123,997,971.94

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Solution

The fourth proportional to 400,423,499.86, 600,415,806.87 and 123,997,971.94 is: 185,929,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,423,499.86 : 600,415,806.87 = 123,997,971.94 : x
  2. Step 2: Convert to fraction form
    400,423,499.86/600,415,806.87 = 123,997,971.94/x
  3. Step 3: Cross multiply
    400,423,499.86x = 600,415,806.87 × 123,997,971.94
  4. Step 4: Simplify right side
    400,423,499.86x = 74,450,342,372,598,720
  5. Step 5: Solve for x
    x = 74,450,342,372,598,720/400,423,499.86
  6. Step 6: Final answer
    x = 185,929,003.66

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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.