Home / 864,145,237.20-1,296,108,519.82-273,941,165.86

Finding the Fourth Proportional to 864,145,237.20, 1,296,108,519.82 and 273,941,165.86

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Solution

The fourth proportional to 864,145,237.20, 1,296,108,519.82 and 273,941,165.86 is: 410,877,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,145,237.20 : 1,296,108,519.82 = 273,941,165.86 : x
  2. Step 2: Convert to fraction form
    864,145,237.20/1,296,108,519.82 = 273,941,165.86/x
  3. Step 3: Cross multiply
    864,145,237.20x = 1,296,108,519.82 × 273,941,165.86
  4. Step 4: Simplify right side
    864,145,237.20x = 355,057,479,000,569,728
  5. Step 5: Solve for x
    x = 355,057,479,000,569,728/864,145,237.20
  6. Step 6: Final answer
    x = 410,877,088.38

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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.