Home / 78,319,170,047.45-117,478,608,439.37-24,540,422,650.54

Finding the Fourth Proportional to 78,319,170,047.45, 117,478,608,439.37 and 24,540,422,650.54

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Solution

The fourth proportional to 78,319,170,047.45, 117,478,608,439.37 and 24,540,422,650.54 is: 36,810,588,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,319,170,047.45 : 117,478,608,439.37 = 24,540,422,650.54 : x
  2. Step 2: Convert to fraction form
    78,319,170,047.45/117,478,608,439.37 = 24,540,422,650.54/x
  3. Step 3: Cross multiply
    78,319,170,047.45x = 117,478,608,439.37 × 24,540,422,650.54
  4. Step 4: Simplify right side
    78,319,170,047.45x = 2,882,974,703,499,435,048,960
  5. Step 5: Solve for x
    x = 2,882,974,703,499,435,048,960/78,319,170,047.45
  6. Step 6: Final answer
    x = 36,810,588,030.40

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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.