Home / 606,477,013.38-909,816,143.36-212,901,816.96

Finding the Fourth Proportional to 606,477,013.38, 909,816,143.36 and 212,901,816.96

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Solution

The fourth proportional to 606,477,013.38, 909,816,143.36 and 212,901,816.96 is: 319,388,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,477,013.38 : 909,816,143.36 = 212,901,816.96 : x
  2. Step 2: Convert to fraction form
    606,477,013.38/909,816,143.36 = 212,901,816.96/x
  3. Step 3: Cross multiply
    606,477,013.38x = 909,816,143.36 × 212,901,816.96
  4. Step 4: Simplify right side
    606,477,013.38x = 193,701,510,019,819,328
  5. Step 5: Solve for x
    x = 193,701,510,019,819,328/606,477,013.38
  6. Step 6: Final answer
    x = 319,388,048.92

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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.