Home / 829,129,256.46-1,243,704,880.24-276,431,862.04

Finding the Fourth Proportional to 829,129,256.46, 1,243,704,880.24 and 276,431,862.04

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Solution

The fourth proportional to 829,129,256.46, 1,243,704,880.24 and 276,431,862.04 is: 414,651,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,129,256.46 : 1,243,704,880.24 = 276,431,862.04 : x
  2. Step 2: Convert to fraction form
    829,129,256.46/1,243,704,880.24 = 276,431,862.04/x
  3. Step 3: Cross multiply
    829,129,256.46x = 1,243,704,880.24 × 276,431,862.04
  4. Step 4: Simplify right side
    829,129,256.46x = 343,799,655,869,178,048
  5. Step 5: Solve for x
    x = 343,799,655,869,178,048/829,129,256.46
  6. Step 6: Final answer
    x = 414,651,458.97

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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.