Home / 424,034,128.80-635,578,801.20-165,163,312.80

Finding the Fourth Proportional to 424,034,128.80, 635,578,801.20 and 165,163,312.80

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Solution

The fourth proportional to 424,034,128.80, 635,578,801.20 and 165,163,312.80 is: 247,560,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,034,128.80 : 635,578,801.20 = 165,163,312.80 : x
  2. Step 2: Convert to fraction form
    424,034,128.80/635,578,801.20 = 165,163,312.80/x
  3. Step 3: Cross multiply
    424,034,128.80x = 635,578,801.20 × 165,163,312.80
  4. Step 4: Simplify right side
    424,034,128.80x = 104,974,300,351,644,624
  5. Step 5: Solve for x
    x = 104,974,300,351,644,624/424,034,128.80
  6. Step 6: Final answer
    x = 247,560,970.27

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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.