Home / 28,036,207,628,240-38,690,193,695,212-15,536,146,467,245

Finding the Fourth Proportional to 28,036,207,628,240, 38,690,193,695,212 and 15,536,146,467,245

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Solution

The fourth proportional to 28,036,207,628,240, 38,690,193,695,212 and 15,536,146,467,245 is: 21,440,008,009,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036,207,628,240 : 38,690,193,695,212 = 15,536,146,467,245 : x
  2. Step 2: Convert to fraction form
    28,036,207,628,240/38,690,193,695,212 = 15,536,146,467,245/x
  3. Step 3: Cross multiply
    28,036,207,628,240x = 38,690,193,695,212 × 15,536,146,467,245
  4. Step 4: Simplify right side
    28,036,207,628,240x = 601,096,516,094,892,664,468,537,344
  5. Step 5: Solve for x
    x = 601,096,516,094,892,664,468,537,344/28,036,207,628,240
  6. Step 6: Final answer
    x = 21,440,008,009,122.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.