Home / 12,285,658,970.36-18,433,797,427.89-6,606,609,776.73

Finding the Fourth Proportional to 12,285,658,970.36, 18,433,797,427.89 and 6,606,609,776.73

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Solution

The fourth proportional to 12,285,658,970.36, 18,433,797,427.89 and 6,606,609,776.73 is: 9,912,769,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285,658,970.36 : 18,433,797,427.89 = 6,606,609,776.73 : x
  2. Step 2: Convert to fraction form
    12,285,658,970.36/18,433,797,427.89 = 6,606,609,776.73/x
  3. Step 3: Cross multiply
    12,285,658,970.36x = 18,433,797,427.89 × 6,606,609,776.73
  4. Step 4: Simplify right side
    12,285,658,970.36x = 121,784,906,309,358,387,200
  5. Step 5: Solve for x
    x = 121,784,906,309,358,387,200/12,285,658,970.36
  6. Step 6: Final answer
    x = 9,912,769,563.54

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1.5x scale

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.