Home / 2,690,956,097.70-4,036,434,146.55-1,965,361,985.70

Finding the Fourth Proportional to 2,690,956,097.70, 4,036,434,146.55 and 1,965,361,985.70

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Solution

The fourth proportional to 2,690,956,097.70, 4,036,434,146.55 and 1,965,361,985.70 is: 2,948,042,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,956,097.70 : 4,036,434,146.55 = 1,965,361,985.70 : x
  2. Step 2: Convert to fraction form
    2,690,956,097.70/4,036,434,146.55 = 1,965,361,985.70/x
  3. Step 3: Cross multiply
    2,690,956,097.70x = 4,036,434,146.55 × 1,965,361,985.70
  4. Step 4: Simplify right side
    2,690,956,097.70x = 7,933,054,229,410,793,472
  5. Step 5: Solve for x
    x = 7,933,054,229,410,793,472/2,690,956,097.70
  6. Step 6: Final answer
    x = 2,948,042,978.55

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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.