Home / 6,580,678,442.20-9,870,670,011.98-2,158,515,365.96

Finding the Fourth Proportional to 6,580,678,442.20, 9,870,670,011.98 and 2,158,515,365.96

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Solution

The fourth proportional to 6,580,678,442.20, 9,870,670,011.98 and 2,158,515,365.96 is: 3,237,659,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580,678,442.20 : 9,870,670,011.98 = 2,158,515,365.96 : x
  2. Step 2: Convert to fraction form
    6,580,678,442.20/9,870,670,011.98 = 2,158,515,365.96/x
  3. Step 3: Cross multiply
    6,580,678,442.20x = 9,870,670,011.98 × 2,158,515,365.96
  4. Step 4: Simplify right side
    6,580,678,442.20x = 21,305,992,893,179,408,384
  5. Step 5: Solve for x
    x = 21,305,992,893,179,408,384/6,580,678,442.20
  6. Step 6: Final answer
    x = 3,237,659,016.52

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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.