Home / 325,858,922.78-489,005,719.49-118,597,275.71

Finding the Fourth Proportional to 325,858,922.78, 489,005,719.49 and 118,597,275.71

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Solution

The fourth proportional to 325,858,922.78, 489,005,719.49 and 118,597,275.71 is: 177,975,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,858,922.78 : 489,005,719.49 = 118,597,275.71 : x
  2. Step 2: Convert to fraction form
    325,858,922.78/489,005,719.49 = 118,597,275.71/x
  3. Step 3: Cross multiply
    325,858,922.78x = 489,005,719.49 × 118,597,275.71
  4. Step 4: Simplify right side
    325,858,922.78x = 57,994,746,138,122,448
  5. Step 5: Solve for x
    x = 57,994,746,138,122,448/325,858,922.78
  6. Step 6: Final answer
    x = 177,975,013.37

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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.