Home / 343,852,574.60-515,778,861.90-171,665,690.60

Finding the Fourth Proportional to 343,852,574.60, 515,778,861.90 and 171,665,690.60

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Solution

The fourth proportional to 343,852,574.60, 515,778,861.90 and 171,665,690.60 is: 257,498,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,852,574.60 : 515,778,861.90 = 171,665,690.60 : x
  2. Step 2: Convert to fraction form
    343,852,574.60/515,778,861.90 = 171,665,690.60/x
  3. Step 3: Cross multiply
    343,852,574.60x = 515,778,861.90 × 171,665,690.60
  4. Step 4: Simplify right side
    343,852,574.60x = 88,541,534,524,945,520
  5. Step 5: Solve for x
    x = 88,541,534,524,945,520/343,852,574.60
  6. Step 6: Final answer
    x = 257,498,535.90

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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.