Home / 511,081,230.40-766,621,845.60-306,504,001.60

Finding the Fourth Proportional to 511,081,230.40, 766,621,845.60 and 306,504,001.60

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Solution

The fourth proportional to 511,081,230.40, 766,621,845.60 and 306,504,001.60 is: 459,756,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,081,230.40 : 766,621,845.60 = 306,504,001.60 : x
  2. Step 2: Convert to fraction form
    511,081,230.40/766,621,845.60 = 306,504,001.60/x
  3. Step 3: Cross multiply
    511,081,230.40x = 766,621,845.60 × 306,504,001.60
  4. Step 4: Simplify right side
    511,081,230.40x = 234,972,663,390,377,376
  5. Step 5: Solve for x
    x = 234,972,663,390,377,376/511,081,230.40
  6. Step 6: Final answer
    x = 459,756,002.40

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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.