Home / 567,216,415.80-850,824,623.70-485,587,078.20

Finding the Fourth Proportional to 567,216,415.80, 850,824,623.70 and 485,587,078.20

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Solution

The fourth proportional to 567,216,415.80, 850,824,623.70 and 485,587,078.20 is: 728,380,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,216,415.80 : 850,824,623.70 = 485,587,078.20 : x
  2. Step 2: Convert to fraction form
    567,216,415.80/850,824,623.70 = 485,587,078.20/x
  3. Step 3: Cross multiply
    567,216,415.80x = 850,824,623.70 × 485,587,078.20
  4. Step 4: Simplify right side
    567,216,415.80x = 413,149,443,083,097,472
  5. Step 5: Solve for x
    x = 413,149,443,083,097,472/567,216,415.80
  6. Step 6: Final answer
    x = 728,380,617.30

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1.5x scale

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.