Home / 558,151,781.24-836,306,442.77-324,326,137.30

Finding the Fourth Proportional to 558,151,781.24, 836,306,442.77 and 324,326,137.30

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Solution

The fourth proportional to 558,151,781.24, 836,306,442.77 and 324,326,137.30 is: 485,953,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,151,781.24 : 836,306,442.77 = 324,326,137.30 : x
  2. Step 2: Convert to fraction form
    558,151,781.24/836,306,442.77 = 324,326,137.30/x
  3. Step 3: Cross multiply
    558,151,781.24x = 836,306,442.77 × 324,326,137.30
  4. Step 4: Simplify right side
    558,151,781.24x = 271,236,038,178,985,216
  5. Step 5: Solve for x
    x = 271,236,038,178,985,216/558,151,781.24
  6. Step 6: Final answer
    x = 485,953,905.90

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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.