Home / 568,068,918.60-851,515,512.30-308,736,208.20

Finding the Fourth Proportional to 568,068,918.60, 851,515,512.30 and 308,736,208.20

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Solution

The fourth proportional to 568,068,918.60, 851,515,512.30 and 308,736,208.20 is: 462,784,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,068,918.60 : 851,515,512.30 = 308,736,208.20 : x
  2. Step 2: Convert to fraction form
    568,068,918.60/851,515,512.30 = 308,736,208.20/x
  3. Step 3: Cross multiply
    568,068,918.60x = 851,515,512.30 × 308,736,208.20
  4. Step 4: Simplify right side
    568,068,918.60x = 262,893,670,490,982,432
  5. Step 5: Solve for x
    x = 262,893,670,490,982,432/568,068,918.60
  6. Step 6: Final answer
    x = 462,784,816.92

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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.