Home / 304,486,013.92-420,191,114.22-165,256,777.68

Finding the Fourth Proportional to 304,486,013.92, 420,191,114.22 and 165,256,777.68

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Solution

The fourth proportional to 304,486,013.92, 420,191,114.22 and 165,256,777.68 is: 228,054,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,486,013.92 : 420,191,114.22 = 165,256,777.68 : x
  2. Step 2: Convert to fraction form
    304,486,013.92/420,191,114.22 = 165,256,777.68/x
  3. Step 3: Cross multiply
    304,486,013.92x = 420,191,114.22 × 165,256,777.68
  4. Step 4: Simplify right side
    304,486,013.92x = 69,439,429,545,766,032
  5. Step 5: Solve for x
    x = 69,439,429,545,766,032/304,486,013.92
  6. Step 6: Final answer
    x = 228,054,578.44

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1.5x scale

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.