Home / 394,089,387.10-591,134,080.65-248,970,564.70

Finding the Fourth Proportional to 394,089,387.10, 591,134,080.65 and 248,970,564.70

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Solution

The fourth proportional to 394,089,387.10, 591,134,080.65 and 248,970,564.70 is: 373,455,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,089,387.10 : 591,134,080.65 = 248,970,564.70 : x
  2. Step 2: Convert to fraction form
    394,089,387.10/591,134,080.65 = 248,970,564.70/x
  3. Step 3: Cross multiply
    394,089,387.10x = 591,134,080.65 × 248,970,564.70
  4. Step 4: Simplify right side
    394,089,387.10x = 147,174,985,872,845,824
  5. Step 5: Solve for x
    x = 147,174,985,872,845,824/394,089,387.10
  6. Step 6: Final answer
    x = 373,455,847.05

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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.