Home / 1,013,255,782.45-1,519,997,047.75-323,002,890.61

Finding the Fourth Proportional to 1,013,255,782.45, 1,519,997,047.75 and 323,002,890.61

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Solution

The fourth proportional to 1,013,255,782.45, 1,519,997,047.75 and 323,002,890.61 is: 484,540,476.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,255,782.45 : 1,519,997,047.75 = 323,002,890.61 : x
  2. Step 2: Convert to fraction form
    1,013,255,782.45/1,519,997,047.75 = 323,002,890.61/x
  3. Step 3: Cross multiply
    1,013,255,782.45x = 1,519,997,047.75 × 323,002,890.61
  4. Step 4: Simplify right side
    1,013,255,782.45x = 490,963,440,138,536,192
  5. Step 5: Solve for x
    x = 490,963,440,138,536,192/1,013,255,782.45
  6. Step 6: Final answer
    x = 484,540,476.99

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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.