Home / 1,687,921,956.84-2,530,530,811.17-802,162,746.75

Finding the Fourth Proportional to 1,687,921,956.84, 2,530,530,811.17 and 802,162,746.75

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Solution

The fourth proportional to 1,687,921,956.84, 2,530,530,811.17 and 802,162,746.75 is: 1,202,601,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,921,956.84 : 2,530,530,811.17 = 802,162,746.75 : x
  2. Step 2: Convert to fraction form
    1,687,921,956.84/2,530,530,811.17 = 802,162,746.75/x
  3. Step 3: Cross multiply
    1,687,921,956.84x = 2,530,530,811.17 × 802,162,746.75
  4. Step 4: Simplify right side
    1,687,921,956.84x = 2,029,897,546,223,632,896
  5. Step 5: Solve for x
    x = 2,029,897,546,223,632,896/1,687,921,956.84
  6. Step 6: Final answer
    x = 1,202,601,540.91

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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.