Home / 354,646,540.20-531,969,810.30-290,873,620.20

Finding the Fourth Proportional to 354,646,540.20, 531,969,810.30 and 290,873,620.20

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Solution

The fourth proportional to 354,646,540.20, 531,969,810.30 and 290,873,620.20 is: 436,310,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,646,540.20 : 531,969,810.30 = 290,873,620.20 : x
  2. Step 2: Convert to fraction form
    354,646,540.20/531,969,810.30 = 290,873,620.20/x
  3. Step 3: Cross multiply
    354,646,540.20x = 531,969,810.30 × 290,873,620.20
  4. Step 4: Simplify right side
    354,646,540.20x = 154,735,984,559,068,256
  5. Step 5: Solve for x
    x = 154,735,984,559,068,256/354,646,540.20
  6. Step 6: Final answer
    x = 436,310,430.30

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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.