Home / 13,388,699,618.89-18,475,850,648.55-7,285,077,379.24

Finding the Fourth Proportional to 13,388,699,618.89, 18,475,850,648.55 and 7,285,077,379.24

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Solution

The fourth proportional to 13,388,699,618.89, 18,475,850,648.55 and 7,285,077,379.24 is: 10,053,104,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,699,618.89 : 18,475,850,648.55 = 7,285,077,379.24 : x
  2. Step 2: Convert to fraction form
    13,388,699,618.89/18,475,850,648.55 = 7,285,077,379.24/x
  3. Step 3: Cross multiply
    13,388,699,618.89x = 18,475,850,648.55 × 7,285,077,379.24
  4. Step 4: Simplify right side
    13,388,699,618.89x = 134,598,001,621,943,959,552
  5. Step 5: Solve for x
    x = 134,598,001,621,943,959,552/13,388,699,618.89
  6. Step 6: Final answer
    x = 10,053,104,890.94

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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.