Home / 497,389,369.20-746,084,053.80-156,987,193.20

Finding the Fourth Proportional to 497,389,369.20, 746,084,053.80 and 156,987,193.20

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Solution

The fourth proportional to 497,389,369.20, 746,084,053.80 and 156,987,193.20 is: 235,480,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,389,369.20 : 746,084,053.80 = 156,987,193.20 : x
  2. Step 2: Convert to fraction form
    497,389,369.20/746,084,053.80 = 156,987,193.20/x
  3. Step 3: Cross multiply
    497,389,369.20x = 746,084,053.80 × 156,987,193.20
  4. Step 4: Simplify right side
    497,389,369.20x = 117,125,641,497,339,776
  5. Step 5: Solve for x
    x = 117,125,641,497,339,776/497,389,369.20
  6. Step 6: Final answer
    x = 235,480,789.80

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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.