Home / 777,934,816.54-1,166,904,201.31-317,872,985.85

Finding the Fourth Proportional to 777,934,816.54, 1,166,904,201.31 and 317,872,985.85

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Solution

The fourth proportional to 777,934,816.54, 1,166,904,201.31 and 317,872,985.85 is: 476,810,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,934,816.54 : 1,166,904,201.31 = 317,872,985.85 : x
  2. Step 2: Convert to fraction form
    777,934,816.54/1,166,904,201.31 = 317,872,985.85/x
  3. Step 3: Cross multiply
    777,934,816.54x = 1,166,904,201.31 × 317,872,985.85
  4. Step 4: Simplify right side
    777,934,816.54x = 370,927,322,670,524,480
  5. Step 5: Solve for x
    x = 370,927,322,670,524,480/777,934,816.54
  6. Step 6: Final answer
    x = 476,810,286.40

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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.