Home / 990,151,857.96-1,366,111,589.20-593,530,132.33

Finding the Fourth Proportional to 990,151,857.96, 1,366,111,589.20 and 593,530,132.33

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Solution

The fourth proportional to 990,151,857.96, 1,366,111,589.20 and 593,530,132.33 is: 818,892,966.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,151,857.96 : 1,366,111,589.20 = 593,530,132.33 : x
  2. Step 2: Convert to fraction form
    990,151,857.96/1,366,111,589.20 = 593,530,132.33/x
  3. Step 3: Cross multiply
    990,151,857.96x = 1,366,111,589.20 × 593,530,132.33
  4. Step 4: Simplify right side
    990,151,857.96x = 810,828,392,315,422,720
  5. Step 5: Solve for x
    x = 810,828,392,315,422,720/990,151,857.96
  6. Step 6: Final answer
    x = 818,892,966.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.