Home / 28,036,207,628,245-38,690,193,695,219-15,536,146,467,250

Finding the Fourth Proportional to 28,036,207,628,245, 38,690,193,695,219 and 15,536,146,467,250

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Solution

The fourth proportional to 28,036,207,628,245, 38,690,193,695,219 and 15,536,146,467,250 is: 21,440,008,009,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036,207,628,245 : 38,690,193,695,219 = 15,536,146,467,250 : x
  2. Step 2: Convert to fraction form
    28,036,207,628,245/38,690,193,695,219 = 15,536,146,467,250/x
  3. Step 3: Cross multiply
    28,036,207,628,245x = 38,690,193,695,219 × 15,536,146,467,250
  4. Step 4: Simplify right side
    28,036,207,628,245x = 601,096,516,095,194,892,727,222,272
  5. Step 5: Solve for x
    x = 601,096,516,095,194,892,727,222,272/28,036,207,628,245
  6. Step 6: Final answer
    x = 21,440,008,009,129.66

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Double scale
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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.