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Finding the Fourth Proportional to 298,980,247.20, 448,470,370.80 and 298,980,247.20

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Solution

The fourth proportional to 298,980,247.20, 448,470,370.80 and 298,980,247.20 is: 448,470,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,980,247.20 : 448,470,370.80 = 298,980,247.20 : x
  2. Step 2: Convert to fraction form
    298,980,247.20/448,470,370.80 = 298,980,247.20/x
  3. Step 3: Cross multiply
    298,980,247.20x = 448,470,370.80 × 298,980,247.20
  4. Step 4: Simplify right side
    298,980,247.20x = 134,083,782,323,659,664
  5. Step 5: Solve for x
    x = 134,083,782,323,659,664/298,980,247.20
  6. Step 6: Final answer
    x = 448,470,370.80

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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.