Home / 291,029,186.40-436,543,779.60-199,196,181.60

Finding the Fourth Proportional to 291,029,186.40, 436,543,779.60 and 199,196,181.60

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Solution

The fourth proportional to 291,029,186.40, 436,543,779.60 and 199,196,181.60 is: 298,794,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,029,186.40 : 436,543,779.60 = 199,196,181.60 : x
  2. Step 2: Convert to fraction form
    291,029,186.40/436,543,779.60 = 199,196,181.60/x
  3. Step 3: Cross multiply
    291,029,186.40x = 436,543,779.60 × 199,196,181.60
  4. Step 4: Simplify right side
    291,029,186.40x = 86,957,853,997,551,984
  5. Step 5: Solve for x
    x = 86,957,853,997,551,984/291,029,186.40
  6. Step 6: Final answer
    x = 298,794,272.40

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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.