Home / 405,320,549.05-607,762,293.07-218,674,533.25

Finding the Fourth Proportional to 405,320,549.05, 607,762,293.07 and 218,674,533.25

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Solution

The fourth proportional to 405,320,549.05, 607,762,293.07 and 218,674,533.25 is: 327,893,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,320,549.05 : 607,762,293.07 = 218,674,533.25 : x
  2. Step 2: Convert to fraction form
    405,320,549.05/607,762,293.07 = 218,674,533.25/x
  3. Step 3: Cross multiply
    405,320,549.05x = 607,762,293.07 × 218,674,533.25
  4. Step 4: Simplify right side
    405,320,549.05x = 132,902,135,764,656,096
  5. Step 5: Solve for x
    x = 132,902,135,764,656,096/405,320,549.05
  6. Step 6: Final answer
    x = 327,893,900.46

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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.