Home / 647,568,032.20-971,352,048.30-162,893,840.20

Finding the Fourth Proportional to 647,568,032.20, 971,352,048.30 and 162,893,840.20

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Solution

The fourth proportional to 647,568,032.20, 971,352,048.30 and 162,893,840.20 is: 244,340,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,568,032.20 : 971,352,048.30 = 162,893,840.20 : x
  2. Step 2: Convert to fraction form
    647,568,032.20/971,352,048.30 = 162,893,840.20/x
  3. Step 3: Cross multiply
    647,568,032.20x = 971,352,048.30 × 162,893,840.20
  4. Step 4: Simplify right side
    647,568,032.20x = 158,227,265,333,722,848
  5. Step 5: Solve for x
    x = 158,227,265,333,722,848/647,568,032.20
  6. Step 6: Final answer
    x = 244,340,760.30

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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.