Home / 298,911,880.80-448,367,821.20-177,979,528.80

Finding the Fourth Proportional to 298,911,880.80, 448,367,821.20 and 177,979,528.80

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Solution

The fourth proportional to 298,911,880.80, 448,367,821.20 and 177,979,528.80 is: 266,969,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,911,880.80 : 448,367,821.20 = 177,979,528.80 : x
  2. Step 2: Convert to fraction form
    298,911,880.80/448,367,821.20 = 177,979,528.80/x
  3. Step 3: Cross multiply
    298,911,880.80x = 448,367,821.20 × 177,979,528.80
  4. Step 4: Simplify right side
    298,911,880.80x = 79,800,293,546,258,656
  5. Step 5: Solve for x
    x = 79,800,293,546,258,656/298,911,880.80
  6. Step 6: Final answer
    x = 266,969,293.20

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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.