Home / 2,687,331,528.57-3,710,108,317.13-2,389,150,170.81

Finding the Fourth Proportional to 2,687,331,528.57, 3,710,108,317.13 and 2,389,150,170.81

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Solution

The fourth proportional to 2,687,331,528.57, 3,710,108,317.13 and 2,389,150,170.81 is: 3,298,441,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,331,528.57 : 3,710,108,317.13 = 2,389,150,170.81 : x
  2. Step 2: Convert to fraction form
    2,687,331,528.57/3,710,108,317.13 = 2,389,150,170.81/x
  3. Step 3: Cross multiply
    2,687,331,528.57x = 3,710,108,317.13 × 2,389,150,170.81
  4. Step 4: Simplify right side
    2,687,331,528.57x = 8,864,005,919,582,794,752
  5. Step 5: Solve for x
    x = 8,864,005,919,582,794,752/2,687,331,528.57
  6. Step 6: Final answer
    x = 3,298,441,530.32

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Double scale
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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.