Home / 298,404,580.20-447,606,870.30-177,173,629.80

Finding the Fourth Proportional to 298,404,580.20, 447,606,870.30 and 177,173,629.80

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Solution

The fourth proportional to 298,404,580.20, 447,606,870.30 and 177,173,629.80 is: 265,760,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,404,580.20 : 447,606,870.30 = 177,173,629.80 : x
  2. Step 2: Convert to fraction form
    298,404,580.20/447,606,870.30 = 177,173,629.80/x
  3. Step 3: Cross multiply
    298,404,580.20x = 447,606,870.30 × 177,173,629.80
  4. Step 4: Simplify right side
    298,404,580.20x = 79,304,133,934,468,816
  5. Step 5: Solve for x
    x = 79,304,133,934,468,816/298,404,580.20
  6. Step 6: Final answer
    x = 265,760,444.70

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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.