Home / 445,980,614.40-668,970,921.60-354,147,609.60

Finding the Fourth Proportional to 445,980,614.40, 668,970,921.60 and 354,147,609.60

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Solution

The fourth proportional to 445,980,614.40, 668,970,921.60 and 354,147,609.60 is: 531,221,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,980,614.40 : 668,970,921.60 = 354,147,609.60 : x
  2. Step 2: Convert to fraction form
    445,980,614.40/668,970,921.60 = 354,147,609.60/x
  3. Step 3: Cross multiply
    445,980,614.40x = 668,970,921.60 × 354,147,609.60
  4. Step 4: Simplify right side
    445,980,614.40x = 236,914,452,776,549,024
  5. Step 5: Solve for x
    x = 236,914,452,776,549,024/445,980,614.40
  6. Step 6: Final answer
    x = 531,221,414.40

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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.