Home / 619,005,448.36-854,227,513.38-340,540,995.88

Finding the Fourth Proportional to 619,005,448.36, 854,227,513.38 and 340,540,995.88

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Solution

The fourth proportional to 619,005,448.36, 854,227,513.38 and 340,540,995.88 is: 469,946,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,005,448.36 : 854,227,513.38 = 340,540,995.88 : x
  2. Step 2: Convert to fraction form
    619,005,448.36/854,227,513.38 = 340,540,995.88/x
  3. Step 3: Cross multiply
    619,005,448.36x = 854,227,513.38 × 340,540,995.88
  4. Step 4: Simplify right side
    619,005,448.36x = 290,899,488,114,521,216
  5. Step 5: Solve for x
    x = 290,899,488,114,521,216/619,005,448.36
  6. Step 6: Final answer
    x = 469,946,571.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.