Home / 347,515,877.20-521,265,845.40-174,946,349.20

Finding the Fourth Proportional to 347,515,877.20, 521,265,845.40 and 174,946,349.20

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Solution

The fourth proportional to 347,515,877.20, 521,265,845.40 and 174,946,349.20 is: 262,415,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,515,877.20 : 521,265,845.40 = 174,946,349.20 : x
  2. Step 2: Convert to fraction form
    347,515,877.20/521,265,845.40 = 174,946,349.20/x
  3. Step 3: Cross multiply
    347,515,877.20x = 521,265,845.40 × 174,946,349.20
  4. Step 4: Simplify right side
    347,515,877.20x = 91,193,556,615,381,600
  5. Step 5: Solve for x
    x = 91,193,556,615,381,600/347,515,877.20
  6. Step 6: Final answer
    x = 262,415,511.34

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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.