Home / 646,083,015.20-969,124,522.80-237,086,021.60

Finding the Fourth Proportional to 646,083,015.20, 969,124,522.80 and 237,086,021.60

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Solution

The fourth proportional to 646,083,015.20, 969,124,522.80 and 237,086,021.60 is: 355,629,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,083,015.20 : 969,124,522.80 = 237,086,021.60 : x
  2. Step 2: Convert to fraction form
    646,083,015.20/969,124,522.80 = 237,086,021.60/x
  3. Step 3: Cross multiply
    646,083,015.20x = 969,124,522.80 × 237,086,021.60
  4. Step 4: Simplify right side
    646,083,015.20x = 229,765,877,545,650,464
  5. Step 5: Solve for x
    x = 229,765,877,545,650,464/646,083,015.20
  6. Step 6: Final answer
    x = 355,629,032.40

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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.