Home / 997,017,147.66-1,494,188,892.96-775,955,406.36

Finding the Fourth Proportional to 997,017,147.66, 1,494,188,892.96 and 775,955,406.36

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Solution

The fourth proportional to 997,017,147.66, 1,494,188,892.96 and 775,955,406.36 is: 1,162,892,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,017,147.66 : 1,494,188,892.96 = 775,955,406.36 : x
  2. Step 2: Convert to fraction form
    997,017,147.66/1,494,188,892.96 = 775,955,406.36/x
  3. Step 3: Cross multiply
    997,017,147.66x = 1,494,188,892.96 × 775,955,406.36
  4. Step 4: Simplify right side
    997,017,147.66x = 1,159,423,949,615,375,360
  5. Step 5: Solve for x
    x = 1,159,423,949,615,375,360/997,017,147.66
  6. Step 6: Final answer
    x = 1,162,892,686.79

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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.