Home / 7,978,176,003.40-11,967,264,005.10-7,325,141,302.60

Finding the Fourth Proportional to 7,978,176,003.40, 11,967,264,005.10 and 7,325,141,302.60

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Solution

The fourth proportional to 7,978,176,003.40, 11,967,264,005.10 and 7,325,141,302.60 is: 10,987,711,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,176,003.40 : 11,967,264,005.10 = 7,325,141,302.60 : x
  2. Step 2: Convert to fraction form
    7,978,176,003.40/11,967,264,005.10 = 7,325,141,302.60/x
  3. Step 3: Cross multiply
    7,978,176,003.40x = 11,967,264,005.10 × 7,325,141,302.60
  4. Step 4: Simplify right side
    7,978,176,003.40x = 87,661,899,842,876,309,504
  5. Step 5: Solve for x
    x = 87,661,899,842,876,309,504/7,978,176,003.40
  6. Step 6: Final answer
    x = 10,987,711,953.90

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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.