Home / 647,057,059.20-970,585,588.80-359,842,723.20

Finding the Fourth Proportional to 647,057,059.20, 970,585,588.80 and 359,842,723.20

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Solution

The fourth proportional to 647,057,059.20, 970,585,588.80 and 359,842,723.20 is: 539,764,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,057,059.20 : 970,585,588.80 = 359,842,723.20 : x
  2. Step 2: Convert to fraction form
    647,057,059.20/970,585,588.80 = 359,842,723.20/x
  3. Step 3: Cross multiply
    647,057,059.20x = 970,585,588.80 × 359,842,723.20
  4. Step 4: Simplify right side
    647,057,059.20x = 349,258,161,372,467,392
  5. Step 5: Solve for x
    x = 349,258,161,372,467,392/647,057,059.20
  6. Step 6: Final answer
    x = 539,764,084.80

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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.