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Finding the Fourth Proportional to 248,485,808,889.30, 372,728,713,333.95 and 248,485,808,889.30

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Solution

The fourth proportional to 248,485,808,889.30, 372,728,713,333.95 and 248,485,808,889.30 is: 372,728,713,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,485,808,889.30 : 372,728,713,333.95 = 248,485,808,889.30 : x
  2. Step 2: Convert to fraction form
    248,485,808,889.30/372,728,713,333.95 = 248,485,808,889.30/x
  3. Step 3: Cross multiply
    248,485,808,889.30x = 372,728,713,333.95 × 248,485,808,889.30
  4. Step 4: Simplify right side
    248,485,808,889.30x = 92,617,795,829,054,585,176,064
  5. Step 5: Solve for x
    x = 92,617,795,829,054,585,176,064/248,485,808,889.30
  6. Step 6: Final answer
    x = 372,728,713,333.95

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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.