Home / 615,229,529,922.30-922,109,630,845.05-257,080,811,202.30

Finding the Fourth Proportional to 615,229,529,922.30, 922,109,630,845.05 and 257,080,811,202.30

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Solution

The fourth proportional to 615,229,529,922.30, 922,109,630,845.05 and 257,080,811,202.30 is: 385,314,228,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,229,529,922.30 : 922,109,630,845.05 = 257,080,811,202.30 : x
  2. Step 2: Convert to fraction form
    615,229,529,922.30/922,109,630,845.05 = 257,080,811,202.30/x
  3. Step 3: Cross multiply
    615,229,529,922.30x = 922,109,630,845.05 × 257,080,811,202.30
  4. Step 4: Simplify right side
    615,229,529,922.30x = 237,056,691,915,098,855,309,312
  5. Step 5: Solve for x
    x = 237,056,691,915,098,855,309,312/615,229,529,922.30
  6. Step 6: Final answer
    x = 385,314,228,894.44

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Double scale
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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.