Home / 615,229,529,929.80-922,109,630,856.30-257,080,811,209.80

Finding the Fourth Proportional to 615,229,529,929.80, 922,109,630,856.30 and 257,080,811,209.80

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Solution

The fourth proportional to 615,229,529,929.80, 922,109,630,856.30 and 257,080,811,209.80 is: 385,314,228,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,229,529,929.80 : 922,109,630,856.30 = 257,080,811,209.80 : x
  2. Step 2: Convert to fraction form
    615,229,529,929.80/922,109,630,856.30 = 257,080,811,209.80/x
  3. Step 3: Cross multiply
    615,229,529,929.80x = 922,109,630,856.30 × 257,080,811,209.80
  4. Step 4: Simplify right side
    615,229,529,929.80x = 237,056,691,924,906,815,782,912
  5. Step 5: Solve for x
    x = 237,056,691,924,906,815,782,912/615,229,529,929.80
  6. Step 6: Final answer
    x = 385,314,228,905.68

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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.