Home / 7,978,189,573.20-11,967,284,359.80-2,456,730,159.60

Finding the Fourth Proportional to 7,978,189,573.20, 11,967,284,359.80 and 2,456,730,159.60

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Solution

The fourth proportional to 7,978,189,573.20, 11,967,284,359.80 and 2,456,730,159.60 is: 3,685,095,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,189,573.20 : 11,967,284,359.80 = 2,456,730,159.60 : x
  2. Step 2: Convert to fraction form
    7,978,189,573.20/11,967,284,359.80 = 2,456,730,159.60/x
  3. Step 3: Cross multiply
    7,978,189,573.20x = 11,967,284,359.80 × 2,456,730,159.60
  4. Step 4: Simplify right side
    7,978,189,573.20x = 29,400,388,415,230,033,920
  5. Step 5: Solve for x
    x = 29,400,388,415,230,033,920/7,978,189,573.20
  6. Step 6: Final answer
    x = 3,685,095,239.40

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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.