Home / 298,416,308.70-447,624,463.05-177,185,358.30

Finding the Fourth Proportional to 298,416,308.70, 447,624,463.05 and 177,185,358.30

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Solution

The fourth proportional to 298,416,308.70, 447,624,463.05 and 177,185,358.30 is: 265,778,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,416,308.70 : 447,624,463.05 = 177,185,358.30 : x
  2. Step 2: Convert to fraction form
    298,416,308.70/447,624,463.05 = 177,185,358.30/x
  3. Step 3: Cross multiply
    298,416,308.70x = 447,624,463.05 × 177,185,358.30
  4. Step 4: Simplify right side
    298,416,308.70x = 79,312,500,869,359,376
  5. Step 5: Solve for x
    x = 79,312,500,869,359,376/298,416,308.70
  6. Step 6: Final answer
    x = 265,778,037.45

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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.