Home / 300,430,453.32-414,796,473.12-187,571,944.92

Finding the Fourth Proportional to 300,430,453.32, 414,796,473.12 and 187,571,944.92

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Solution

The fourth proportional to 300,430,453.32, 414,796,473.12 and 187,571,944.92 is: 258,975,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,430,453.32 : 414,796,473.12 = 187,571,944.92 : x
  2. Step 2: Convert to fraction form
    300,430,453.32/414,796,473.12 = 187,571,944.92/x
  3. Step 3: Cross multiply
    300,430,453.32x = 414,796,473.12 × 187,571,944.92
  4. Step 4: Simplify right side
    300,430,453.32x = 77,804,181,209,074,896
  5. Step 5: Solve for x
    x = 77,804,181,209,074,896/300,430,453.32
  6. Step 6: Final answer
    x = 258,975,680.89

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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.