Home / 615,229,529,921.55-922,109,630,843.90-257,080,811,201.55

Finding the Fourth Proportional to 615,229,529,921.55, 922,109,630,843.90 and 257,080,811,201.55

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Solution

The fourth proportional to 615,229,529,921.55, 922,109,630,843.90 and 257,080,811,201.55 is: 385,314,228,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,229,529,921.55 : 922,109,630,843.90 = 257,080,811,201.55 : x
  2. Step 2: Convert to fraction form
    615,229,529,921.55/922,109,630,843.90 = 257,080,811,201.55/x
  3. Step 3: Cross multiply
    615,229,529,921.55x = 922,109,630,843.90 × 257,080,811,201.55
  4. Step 4: Simplify right side
    615,229,529,921.55x = 237,056,691,914,111,616,811,008
  5. Step 5: Solve for x
    x = 237,056,691,914,111,616,811,008/615,229,529,921.55
  6. Step 6: Final answer
    x = 385,314,228,893.30

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Double scale
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1.5x scale

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.