Home / 424,034,371.80-635,579,165.70-165,163,555.80

Finding the Fourth Proportional to 424,034,371.80, 635,579,165.70 and 165,163,555.80

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Solution

The fourth proportional to 424,034,371.80, 635,579,165.70 and 165,163,555.80 is: 247,561,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,034,371.80 : 635,579,165.70 = 165,163,555.80 : x
  2. Step 2: Convert to fraction form
    424,034,371.80/635,579,165.70 = 165,163,555.80/x
  3. Step 3: Cross multiply
    424,034,371.80x = 635,579,165.70 × 165,163,555.80
  4. Step 4: Simplify right side
    424,034,371.80x = 104,974,514,999,409,408
  5. Step 5: Solve for x
    x = 104,974,514,999,409,408/424,034,371.80
  6. Step 6: Final answer
    x = 247,561,334.60

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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.