Home / 619,383,020.40-854,716,042.44-340,871,311.44

Finding the Fourth Proportional to 619,383,020.40, 854,716,042.44 and 340,871,311.44

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Solution

The fourth proportional to 619,383,020.40, 854,716,042.44 and 340,871,311.44 is: 470,384,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,383,020.40 : 854,716,042.44 = 340,871,311.44 : x
  2. Step 2: Convert to fraction form
    619,383,020.40/854,716,042.44 = 340,871,311.44/x
  3. Step 3: Cross multiply
    619,383,020.40x = 854,716,042.44 × 340,871,311.44
  4. Step 4: Simplify right side
    619,383,020.40x = 291,348,178,295,329,536
  5. Step 5: Solve for x
    x = 291,348,178,295,329,536/619,383,020.40
  6. Step 6: Final answer
    x = 470,384,509.58

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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.