Home / 1,188,006,934.65-1,782,010,401.98-943,118,921.85

Finding the Fourth Proportional to 1,188,006,934.65, 1,782,010,401.98 and 943,118,921.85

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Solution

The fourth proportional to 1,188,006,934.65, 1,782,010,401.98 and 943,118,921.85 is: 1,414,678,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,006,934.65 : 1,782,010,401.98 = 943,118,921.85 : x
  2. Step 2: Convert to fraction form
    1,188,006,934.65/1,782,010,401.98 = 943,118,921.85/x
  3. Step 3: Cross multiply
    1,188,006,934.65x = 1,782,010,401.98 × 943,118,921.85
  4. Step 4: Simplify right side
    1,188,006,934.65x = 1,680,647,729,036,146,944
  5. Step 5: Solve for x
    x = 1,680,647,729,036,146,944/1,188,006,934.65
  6. Step 6: Final answer
    x = 1,414,678,382.78

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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.