Home / 3,190,356,690.30-4,786,246,502.06-979,789,487.40

Finding the Fourth Proportional to 3,190,356,690.30, 4,786,246,502.06 and 979,789,487.40

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Solution

The fourth proportional to 3,190,356,690.30, 4,786,246,502.06 and 979,789,487.40 is: 1,469,902,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,356,690.30 : 4,786,246,502.06 = 979,789,487.40 : x
  2. Step 2: Convert to fraction form
    3,190,356,690.30/4,786,246,502.06 = 979,789,487.40/x
  3. Step 3: Cross multiply
    3,190,356,690.30x = 4,786,246,502.06 × 979,789,487.40
  4. Step 4: Simplify right side
    3,190,356,690.30x = 4,689,514,006,818,511,872
  5. Step 5: Solve for x
    x = 4,689,514,006,818,511,872/3,190,356,690.30
  6. Step 6: Final answer
    x = 1,469,902,729.40

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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.