Home / 309,350,215.25-426,914,522.61-177,216,749.09

Finding the Fourth Proportional to 309,350,215.25, 426,914,522.61 and 177,216,749.09

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Solution

The fourth proportional to 309,350,215.25, 426,914,522.61 and 177,216,749.09 is: 244,565,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,350,215.25 : 426,914,522.61 = 177,216,749.09 : x
  2. Step 2: Convert to fraction form
    309,350,215.25/426,914,522.61 = 177,216,749.09/x
  3. Step 3: Cross multiply
    309,350,215.25x = 426,914,522.61 × 177,216,749.09
  4. Step 4: Simplify right side
    309,350,215.25x = 75,656,403,837,255,152
  5. Step 5: Solve for x
    x = 75,656,403,837,255,152/309,350,215.25
  6. Step 6: Final answer
    x = 244,565,544.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.