Home / 438,471,404.26-657,853,941.03-143,380,132.54

Finding the Fourth Proportional to 438,471,404.26, 657,853,941.03 and 143,380,132.54

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Solution

The fourth proportional to 438,471,404.26, 657,853,941.03 and 143,380,132.54 is: 215,118,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,471,404.26 : 657,853,941.03 = 143,380,132.54 : x
  2. Step 2: Convert to fraction form
    438,471,404.26/657,853,941.03 = 143,380,132.54/x
  3. Step 3: Cross multiply
    438,471,404.26x = 657,853,941.03 × 143,380,132.54
  4. Step 4: Simplify right side
    438,471,404.26x = 94,323,185,256,842,736
  5. Step 5: Solve for x
    x = 94,323,185,256,842,736/438,471,404.26
  6. Step 6: Final answer
    x = 215,118,213.73

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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.