Home / 647,568,021.70-971,352,032.55-162,893,829.70

Finding the Fourth Proportional to 647,568,021.70, 971,352,032.55 and 162,893,829.70

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Solution

The fourth proportional to 647,568,021.70, 971,352,032.55 and 162,893,829.70 is: 244,340,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,568,021.70 : 971,352,032.55 = 162,893,829.70 : x
  2. Step 2: Convert to fraction form
    647,568,021.70/971,352,032.55 = 162,893,829.70/x
  3. Step 3: Cross multiply
    647,568,021.70x = 971,352,032.55 × 162,893,829.70
  4. Step 4: Simplify right side
    647,568,021.70x = 158,227,252,568,948,544
  5. Step 5: Solve for x
    x = 158,227,252,568,948,544/647,568,021.70
  6. Step 6: Final answer
    x = 244,340,744.55

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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.