Home / 346,520,889.66-478,222,289.60-195,761,257.28

Finding the Fourth Proportional to 346,520,889.66, 478,222,289.60 and 195,761,257.28

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Solution

The fourth proportional to 346,520,889.66, 478,222,289.60 and 195,761,257.28 is: 270,163,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,520,889.66 : 478,222,289.60 = 195,761,257.28 : x
  2. Step 2: Convert to fraction form
    346,520,889.66/478,222,289.60 = 195,761,257.28/x
  3. Step 3: Cross multiply
    346,520,889.66x = 478,222,289.60 × 195,761,257.28
  4. Step 4: Simplify right side
    346,520,889.66x = 93,617,396,671,416,272
  5. Step 5: Solve for x
    x = 93,617,396,671,416,272/346,520,889.66
  6. Step 6: Final answer
    x = 270,163,789.44

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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.