Home / 339,976,343.10-509,964,514.65-109,968,678.30

Finding the Fourth Proportional to 339,976,343.10, 509,964,514.65 and 109,968,678.30

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Solution

The fourth proportional to 339,976,343.10, 509,964,514.65 and 109,968,678.30 is: 164,953,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,976,343.10 : 509,964,514.65 = 109,968,678.30 : x
  2. Step 2: Convert to fraction form
    339,976,343.10/509,964,514.65 = 109,968,678.30/x
  3. Step 3: Cross multiply
    339,976,343.10x = 509,964,514.65 × 109,968,678.30
  4. Step 4: Simplify right side
    339,976,343.10x = 56,080,123,655,961,480
  5. Step 5: Solve for x
    x = 56,080,123,655,961,480/339,976,343.10
  6. Step 6: Final answer
    x = 164,953,017.45

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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.