Home / 299,559,969.60-449,339,954.40-248,499,643.20

Finding the Fourth Proportional to 299,559,969.60, 449,339,954.40 and 248,499,643.20

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Solution

The fourth proportional to 299,559,969.60, 449,339,954.40 and 248,499,643.20 is: 372,749,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,559,969.60 : 449,339,954.40 = 248,499,643.20 : x
  2. Step 2: Convert to fraction form
    299,559,969.60/449,339,954.40 = 248,499,643.20/x
  3. Step 3: Cross multiply
    299,559,969.60x = 449,339,954.40 × 248,499,643.20
  4. Step 4: Simplify right side
    299,559,969.60x = 111,660,818,343,904,256
  5. Step 5: Solve for x
    x = 111,660,818,343,904,256/299,559,969.60
  6. Step 6: Final answer
    x = 372,749,464.80

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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.