Home / 413,855,996.40-620,560,045.80-171,543,394.80

Finding the Fourth Proportional to 413,855,996.40, 620,560,045.80 and 171,543,394.80

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Solution

The fourth proportional to 413,855,996.40, 620,560,045.80 and 171,543,394.80 is: 257,222,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,855,996.40 : 620,560,045.80 = 171,543,394.80 : x
  2. Step 2: Convert to fraction form
    413,855,996.40/620,560,045.80 = 171,543,394.80/x
  3. Step 3: Cross multiply
    413,855,996.40x = 620,560,045.80 × 171,543,394.80
  4. Step 4: Simplify right side
    413,855,996.40x = 106,452,976,933,775,488
  5. Step 5: Solve for x
    x = 106,452,976,933,775,488/413,855,996.40
  6. Step 6: Final answer
    x = 257,222,265.38

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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.