Home / 549,188,940.19-757,886,299.11-298,298,231.27

Finding the Fourth Proportional to 549,188,940.19, 757,886,299.11 and 298,298,231.27

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Solution

The fourth proportional to 549,188,940.19, 757,886,299.11 and 298,298,231.27 is: 411,654,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,188,940.19 : 757,886,299.11 = 298,298,231.27 : x
  2. Step 2: Convert to fraction form
    549,188,940.19/757,886,299.11 = 298,298,231.27/x
  3. Step 3: Cross multiply
    549,188,940.19x = 757,886,299.11 × 298,298,231.27
  4. Step 4: Simplify right side
    549,188,940.19x = 226,076,142,530,173,888
  5. Step 5: Solve for x
    x = 226,076,142,530,173,888/549,188,940.19
  6. Step 6: Final answer
    x = 411,654,580.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.