Home / 699,101,404.91-1,048,790,250.50-256,448,194.36

Finding the Fourth Proportional to 699,101,404.91, 1,048,790,250.50 and 256,448,194.36

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Solution

The fourth proportional to 699,101,404.91, 1,048,790,250.50 and 256,448,194.36 is: 384,722,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,101,404.91 : 1,048,790,250.50 = 256,448,194.36 : x
  2. Step 2: Convert to fraction form
    699,101,404.91/1,048,790,250.50 = 256,448,194.36/x
  3. Step 3: Cross multiply
    699,101,404.91x = 1,048,790,250.50 × 256,448,194.36
  4. Step 4: Simplify right side
    699,101,404.91x = 268,960,366,000,141,728
  5. Step 5: Solve for x
    x = 268,960,366,000,141,728/699,101,404.91
  6. Step 6: Final answer
    x = 384,722,965.96

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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.