Home / 511,214,600.40-766,821,900.60-448,079,409.60

Finding the Fourth Proportional to 511,214,600.40, 766,821,900.60 and 448,079,409.60

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Solution

The fourth proportional to 511,214,600.40, 766,821,900.60 and 448,079,409.60 is: 672,119,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,214,600.40 : 766,821,900.60 = 448,079,409.60 : x
  2. Step 2: Convert to fraction form
    511,214,600.40/766,821,900.60 = 448,079,409.60/x
  3. Step 3: Cross multiply
    511,214,600.40x = 766,821,900.60 × 448,079,409.60
  4. Step 4: Simplify right side
    511,214,600.40x = 343,597,104,489,197,888
  5. Step 5: Solve for x
    x = 343,597,104,489,197,888/511,214,600.40
  6. Step 6: Final answer
    x = 672,119,114.40

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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.