Home / 443,328,004.80-664,992,007.20-413,094,916.80

Finding the Fourth Proportional to 443,328,004.80, 664,992,007.20 and 413,094,916.80

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Solution

The fourth proportional to 443,328,004.80, 664,992,007.20 and 413,094,916.80 is: 619,642,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,328,004.80 : 664,992,007.20 = 413,094,916.80 : x
  2. Step 2: Convert to fraction form
    443,328,004.80/664,992,007.20 = 413,094,916.80/x
  3. Step 3: Cross multiply
    443,328,004.80x = 664,992,007.20 × 413,094,916.80
  4. Step 4: Simplify right side
    443,328,004.80x = 274,704,817,886,949,024
  5. Step 5: Solve for x
    x = 274,704,817,886,949,024/443,328,004.80
  6. Step 6: Final answer
    x = 619,642,375.20

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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.