Home / 298,931,619.80-448,397,429.70-183,542,000.60

Finding the Fourth Proportional to 298,931,619.80, 448,397,429.70 and 183,542,000.60

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Solution

The fourth proportional to 298,931,619.80, 448,397,429.70 and 183,542,000.60 is: 275,313,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,931,619.80 : 448,397,429.70 = 183,542,000.60 : x
  2. Step 2: Convert to fraction form
    298,931,619.80/448,397,429.70 = 183,542,000.60/x
  3. Step 3: Cross multiply
    298,931,619.80x = 448,397,429.70 × 183,542,000.60
  4. Step 4: Simplify right side
    298,931,619.80x = 82,299,761,311,035,856
  5. Step 5: Solve for x
    x = 82,299,761,311,035,856/298,931,619.80
  6. Step 6: Final answer
    x = 275,313,000.90

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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.