Home / 384,853,006.79-531,101,311.21-226,089,821.87

Finding the Fourth Proportional to 384,853,006.79, 531,101,311.21 and 226,089,821.87

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Solution

The fourth proportional to 384,853,006.79, 531,101,311.21 and 226,089,821.87 is: 312,006,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,853,006.79 : 531,101,311.21 = 226,089,821.87 : x
  2. Step 2: Convert to fraction form
    384,853,006.79/531,101,311.21 = 226,089,821.87/x
  3. Step 3: Cross multiply
    384,853,006.79x = 531,101,311.21 × 226,089,821.87
  4. Step 4: Simplify right side
    384,853,006.79x = 120,076,600,846,011,072
  5. Step 5: Solve for x
    x = 120,076,600,846,011,072/384,853,006.79
  6. Step 6: Final answer
    x = 312,006,399.14

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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.