Home / 343,852,572.60-515,778,858.90-171,665,688.60

Finding the Fourth Proportional to 343,852,572.60, 515,778,858.90 and 171,665,688.60

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Solution

The fourth proportional to 343,852,572.60, 515,778,858.90 and 171,665,688.60 is: 257,498,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,852,572.60 : 515,778,858.90 = 171,665,688.60 : x
  2. Step 2: Convert to fraction form
    343,852,572.60/515,778,858.90 = 171,665,688.60/x
  3. Step 3: Cross multiply
    343,852,572.60x = 515,778,858.90 × 171,665,688.60
  4. Step 4: Simplify right side
    343,852,572.60x = 88,541,532,978,390,736
  5. Step 5: Solve for x
    x = 88,541,532,978,390,736/343,852,572.60
  6. Step 6: Final answer
    x = 257,498,532.90

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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.