Home / 699,105,007.50-1,048,795,656.14-256,451,798.26

Finding the Fourth Proportional to 699,105,007.50, 1,048,795,656.14 and 256,451,798.26

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Solution

The fourth proportional to 699,105,007.50, 1,048,795,656.14 and 256,451,798.26 is: 384,728,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,105,007.50 : 1,048,795,656.14 = 256,451,798.26 : x
  2. Step 2: Convert to fraction form
    699,105,007.50/1,048,795,656.14 = 256,451,798.26/x
  3. Step 3: Cross multiply
    699,105,007.50x = 1,048,795,656.14 × 256,451,798.26
  4. Step 4: Simplify right side
    699,105,007.50x = 268,965,532,024,379,584
  5. Step 5: Solve for x
    x = 268,965,532,024,379,584/699,105,007.50
  6. Step 6: Final answer
    x = 384,728,372.90

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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.