Home / 1,091,200,395.27-1,505,857,150.45-589,409,176.96

Finding the Fourth Proportional to 1,091,200,395.27, 1,505,857,150.45 and 589,409,176.96

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Solution

The fourth proportional to 1,091,200,395.27, 1,505,857,150.45 and 589,409,176.96 is: 813,384,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,200,395.27 : 1,505,857,150.45 = 589,409,176.96 : x
  2. Step 2: Convert to fraction form
    1,091,200,395.27/1,505,857,150.45 = 589,409,176.96/x
  3. Step 3: Cross multiply
    1,091,200,395.27x = 1,505,857,150.45 × 589,409,176.96
  4. Step 4: Simplify right side
    1,091,200,395.27x = 887,566,023,660,827,136
  5. Step 5: Solve for x
    x = 887,566,023,660,827,136/1,091,200,395.27
  6. Step 6: Final answer
    x = 813,384,990.98

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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.