Home / 469,743,999.40-704,615,999.10-306,485,324.20

Finding the Fourth Proportional to 469,743,999.40, 704,615,999.10 and 306,485,324.20

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Solution

The fourth proportional to 469,743,999.40, 704,615,999.10 and 306,485,324.20 is: 459,727,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,743,999.40 : 704,615,999.10 = 306,485,324.20 : x
  2. Step 2: Convert to fraction form
    469,743,999.40/704,615,999.10 = 306,485,324.20/x
  3. Step 3: Cross multiply
    469,743,999.40x = 704,615,999.10 × 306,485,324.20
  4. Step 4: Simplify right side
    469,743,999.40x = 215,954,462,920,670,400
  5. Step 5: Solve for x
    x = 215,954,462,920,670,400/469,743,999.40
  6. Step 6: Final answer
    x = 459,727,986.30

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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.