Home / 606,477,016.38-909,816,147.87-212,901,819.96

Finding the Fourth Proportional to 606,477,016.38, 909,816,147.87 and 212,901,819.96

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Solution

The fourth proportional to 606,477,016.38, 909,816,147.87 and 212,901,819.96 is: 319,388,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,477,016.38 : 909,816,147.87 = 212,901,819.96 : x
  2. Step 2: Convert to fraction form
    606,477,016.38/909,816,147.87 = 212,901,819.96/x
  3. Step 3: Cross multiply
    606,477,016.38x = 909,816,147.87 × 212,901,819.96
  4. Step 4: Simplify right side
    606,477,016.38x = 193,701,513,710,519,488
  5. Step 5: Solve for x
    x = 193,701,513,710,519,488/606,477,016.38
  6. Step 6: Final answer
    x = 319,388,053.43

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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.