Home / 568,138,975.36-852,453,971.54-305,516,571.34

Finding the Fourth Proportional to 568,138,975.36, 852,453,971.54 and 305,516,571.34

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Solution

The fourth proportional to 568,138,975.36, 852,453,971.54 and 305,516,571.34 is: 458,406,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,138,975.36 : 852,453,971.54 = 305,516,571.34 : x
  2. Step 2: Convert to fraction form
    568,138,975.36/852,453,971.54 = 305,516,571.34/x
  3. Step 3: Cross multiply
    568,138,975.36x = 852,453,971.54 × 305,516,571.34
  4. Step 4: Simplify right side
    568,138,975.36x = 260,438,814,610,066,720
  5. Step 5: Solve for x
    x = 260,438,814,610,066,720/568,138,975.36
  6. Step 6: Final answer
    x = 458,406,879.14

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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.