Home / 511,066,917.40-766,600,376.10-327,400,907.80

Finding the Fourth Proportional to 511,066,917.40, 766,600,376.10 and 327,400,907.80

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Solution

The fourth proportional to 511,066,917.40, 766,600,376.10 and 327,400,907.80 is: 491,101,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,066,917.40 : 766,600,376.10 = 327,400,907.80 : x
  2. Step 2: Convert to fraction form
    511,066,917.40/766,600,376.10 = 327,400,907.80/x
  3. Step 3: Cross multiply
    511,066,917.40x = 766,600,376.10 × 327,400,907.80
  4. Step 4: Simplify right side
    511,066,917.40x = 250,985,659,054,961,440
  5. Step 5: Solve for x
    x = 250,985,659,054,961,440/511,066,917.40
  6. Step 6: Final answer
    x = 491,101,361.70

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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.