Home / 343,359,890.80-515,039,836.20-329,967,577.60

Finding the Fourth Proportional to 343,359,890.80, 515,039,836.20 and 329,967,577.60

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Solution

The fourth proportional to 343,359,890.80, 515,039,836.20 and 329,967,577.60 is: 494,951,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,359,890.80 : 515,039,836.20 = 329,967,577.60 : x
  2. Step 2: Convert to fraction form
    343,359,890.80/515,039,836.20 = 329,967,577.60/x
  3. Step 3: Cross multiply
    343,359,890.80x = 515,039,836.20 × 329,967,577.60
  4. Step 4: Simplify right side
    343,359,890.80x = 169,946,447,118,414,784
  5. Step 5: Solve for x
    x = 169,946,447,118,414,784/343,359,890.80
  6. Step 6: Final answer
    x = 494,951,366.40

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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.