Home / 28,586,979,464.70-39,506,633,817.21-23,428,891,310.66

Finding the Fourth Proportional to 28,586,979,464.70, 39,506,633,817.21 and 23,428,891,310.66

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Solution

The fourth proportional to 28,586,979,464.70, 39,506,633,817.21 and 23,428,891,310.66 is: 32,378,259,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586,979,464.70 : 39,506,633,817.21 = 23,428,891,310.66 : x
  2. Step 2: Convert to fraction form
    28,586,979,464.70/39,506,633,817.21 = 23,428,891,310.66/x
  3. Step 3: Cross multiply
    28,586,979,464.70x = 39,506,633,817.21 × 23,428,891,310.66
  4. Step 4: Simplify right side
    28,586,979,464.70x = 925,596,629,753,615,876,096
  5. Step 5: Solve for x
    x = 925,596,629,753,615,876,096/28,586,979,464.70
  6. Step 6: Final answer
    x = 32,378,259,161.54

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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.