Home / 378,789,608.16-522,673,614-230,033,368.80

Finding the Fourth Proportional to 378,789,608.16, 522,673,614 and 230,033,368.80

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Solution

The fourth proportional to 378,789,608.16, 522,673,614 and 230,033,368.80 is: 317,412,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,789,608.16 : 522,673,614 = 230,033,368.80 : x
  2. Step 2: Convert to fraction form
    378,789,608.16/522,673,614 = 230,033,368.80/x
  3. Step 3: Cross multiply
    378,789,608.16x = 522,673,614 × 230,033,368.80
  4. Step 4: Simplify right side
    378,789,608.16x = 120,232,372,211,290,848
  5. Step 5: Solve for x
    x = 120,232,372,211,290,848/378,789,608.16
  6. Step 6: Final answer
    x = 317,412,013.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.