Home / 931,378,150.80-1,397,067,226.20-886,028,518.80

Finding the Fourth Proportional to 931,378,150.80, 1,397,067,226.20 and 886,028,518.80

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Solution

The fourth proportional to 931,378,150.80, 1,397,067,226.20 and 886,028,518.80 is: 1,329,042,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,378,150.80 : 1,397,067,226.20 = 886,028,518.80 : x
  2. Step 2: Convert to fraction form
    931,378,150.80/1,397,067,226.20 = 886,028,518.80/x
  3. Step 3: Cross multiply
    931,378,150.80x = 1,397,067,226.20 × 886,028,518.80
  4. Step 4: Simplify right side
    931,378,150.80x = 1,237,841,405,094,010,624
  5. Step 5: Solve for x
    x = 1,237,841,405,094,010,624/931,378,150.80
  6. Step 6: Final answer
    x = 1,329,042,778.20

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1.5x scale

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.