Home / 339,976,331.60-509,964,497.40-109,968,666.80

Finding the Fourth Proportional to 339,976,331.60, 509,964,497.40 and 109,968,666.80

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Solution

The fourth proportional to 339,976,331.60, 509,964,497.40 and 109,968,666.80 is: 164,953,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,976,331.60 : 509,964,497.40 = 109,968,666.80 : x
  2. Step 2: Convert to fraction form
    339,976,331.60/509,964,497.40 = 109,968,666.80/x
  3. Step 3: Cross multiply
    339,976,331.60x = 509,964,497.40 × 109,968,666.80
  4. Step 4: Simplify right side
    339,976,331.60x = 56,080,115,894,410,064
  5. Step 5: Solve for x
    x = 56,080,115,894,410,064/339,976,331.60
  6. Step 6: Final answer
    x = 164,953,000.20

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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.