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Finding the Fourth Proportional to 15,676,928,144.65, 23,515,392,216.98 and 15,676,928,144.65

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Solution

The fourth proportional to 15,676,928,144.65, 23,515,392,216.98 and 15,676,928,144.65 is: 23,515,392,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676,928,144.65 : 23,515,392,216.98 = 15,676,928,144.65 : x
  2. Step 2: Convert to fraction form
    15,676,928,144.65/23,515,392,216.98 = 15,676,928,144.65/x
  3. Step 3: Cross multiply
    15,676,928,144.65x = 23,515,392,216.98 × 15,676,928,144.65
  4. Step 4: Simplify right side
    15,676,928,144.65x = 368,649,114,078,857,330,688
  5. Step 5: Solve for x
    x = 368,649,114,078,857,330,688/15,676,928,144.65
  6. Step 6: Final answer
    x = 23,515,392,216.98

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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.