Home / 2,131,348,941.76-3,196,779,198.54-557,608,174.24

Finding the Fourth Proportional to 2,131,348,941.76, 3,196,779,198.54 and 557,608,174.24

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Solution

The fourth proportional to 2,131,348,941.76, 3,196,779,198.54 and 557,608,174.24 is: 836,348,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,348,941.76 : 3,196,779,198.54 = 557,608,174.24 : x
  2. Step 2: Convert to fraction form
    2,131,348,941.76/3,196,779,198.54 = 557,608,174.24/x
  3. Step 3: Cross multiply
    2,131,348,941.76x = 3,196,779,198.54 × 557,608,174.24
  4. Step 4: Simplify right side
    2,131,348,941.76x = 1,782,550,212,346,299,904
  5. Step 5: Solve for x
    x = 1,782,550,212,346,299,904/2,131,348,941.76
  6. Step 6: Final answer
    x = 836,348,369.53

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Double scale
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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.