Home / 469,108,666.67-647,368,183.45-257,419,039.11

Finding the Fourth Proportional to 469,108,666.67, 647,368,183.45 and 257,419,039.11

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Solution

The fourth proportional to 469,108,666.67, 647,368,183.45 and 257,419,039.11 is: 355,237,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,108,666.67 : 647,368,183.45 = 257,419,039.11 : x
  2. Step 2: Convert to fraction form
    469,108,666.67/647,368,183.45 = 257,419,039.11/x
  3. Step 3: Cross multiply
    469,108,666.67x = 647,368,183.45 × 257,419,039.11
  4. Step 4: Simplify right side
    469,108,666.67x = 166,644,895,734,085,216
  5. Step 5: Solve for x
    x = 166,644,895,734,085,216/469,108,666.67
  6. Step 6: Final answer
    x = 355,237,299.10

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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.