Home / 298,410,854.20-447,616,281.30-177,179,903.80

Finding the Fourth Proportional to 298,410,854.20, 447,616,281.30 and 177,179,903.80

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Solution

The fourth proportional to 298,410,854.20, 447,616,281.30 and 177,179,903.80 is: 265,769,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,410,854.20 : 447,616,281.30 = 177,179,903.80 : x
  2. Step 2: Convert to fraction form
    298,410,854.20/447,616,281.30 = 177,179,903.80/x
  3. Step 3: Cross multiply
    298,410,854.20x = 447,616,281.30 × 177,179,903.80
  4. Step 4: Simplify right side
    298,410,854.20x = 79,308,609,660,047,744
  5. Step 5: Solve for x
    x = 79,308,609,660,047,744/298,410,854.20
  6. Step 6: Final answer
    x = 265,769,855.70

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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.