Home / 512,453,323.30-768,679,984.95-236,104,003.30

Finding the Fourth Proportional to 512,453,323.30, 768,679,984.95 and 236,104,003.30

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Solution

The fourth proportional to 512,453,323.30, 768,679,984.95 and 236,104,003.30 is: 354,156,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,453,323.30 : 768,679,984.95 = 236,104,003.30 : x
  2. Step 2: Convert to fraction form
    512,453,323.30/768,679,984.95 = 236,104,003.30/x
  3. Step 3: Cross multiply
    512,453,323.30x = 768,679,984.95 × 236,104,003.30
  4. Step 4: Simplify right side
    512,453,323.30x = 181,488,421,703,278,784
  5. Step 5: Solve for x
    x = 181,488,421,703,278,784/512,453,323.30
  6. Step 6: Final answer
    x = 354,156,004.95

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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.