Home / 27,883,342,126.54-38,479,142,441.66-15,841,013,729.64

Finding the Fourth Proportional to 27,883,342,126.54, 38,479,142,441.66 and 15,841,013,729.64

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Solution

The fourth proportional to 27,883,342,126.54, 38,479,142,441.66 and 15,841,013,729.64 is: 21,860,672,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883,342,126.54 : 38,479,142,441.66 = 15,841,013,729.64 : x
  2. Step 2: Convert to fraction form
    27,883,342,126.54/38,479,142,441.66 = 15,841,013,729.64/x
  3. Step 3: Cross multiply
    27,883,342,126.54x = 38,479,142,441.66 × 15,841,013,729.64
  4. Step 4: Simplify right side
    27,883,342,126.54x = 609,548,623,723,109,285,888
  5. Step 5: Solve for x
    x = 609,548,623,723,109,285,888/27,883,342,126.54
  6. Step 6: Final answer
    x = 21,860,672,976.61

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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.