Home / 339,960,057.60-509,940,086.40-217,516,051.20

Finding the Fourth Proportional to 339,960,057.60, 509,940,086.40 and 217,516,051.20

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Solution

The fourth proportional to 339,960,057.60, 509,940,086.40 and 217,516,051.20 is: 326,274,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,960,057.60 : 509,940,086.40 = 217,516,051.20 : x
  2. Step 2: Convert to fraction form
    339,960,057.60/509,940,086.40 = 217,516,051.20/x
  3. Step 3: Cross multiply
    339,960,057.60x = 509,940,086.40 × 217,516,051.20
  4. Step 4: Simplify right side
    339,960,057.60x = 110,920,153,942,314,816
  5. Step 5: Solve for x
    x = 110,920,153,942,314,816/339,960,057.60
  6. Step 6: Final answer
    x = 326,274,076.80

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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.