Home / 511,214,672.40-766,822,008.60-448,079,481.60

Finding the Fourth Proportional to 511,214,672.40, 766,822,008.60 and 448,079,481.60

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Solution

The fourth proportional to 511,214,672.40, 766,822,008.60 and 448,079,481.60 is: 672,119,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,214,672.40 : 766,822,008.60 = 448,079,481.60 : x
  2. Step 2: Convert to fraction form
    511,214,672.40/766,822,008.60 = 448,079,481.60/x
  3. Step 3: Cross multiply
    511,214,672.40x = 766,822,008.60 × 448,079,481.60
  4. Step 4: Simplify right side
    511,214,672.40x = 343,597,208,092,958,784
  5. Step 5: Solve for x
    x = 343,597,208,092,958,784/511,214,672.40
  6. Step 6: Final answer
    x = 672,119,222.40

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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.