Home / 12,108,009,968.55-18,162,014,952.83-12,108,009,968.55

Finding the Fourth Proportional to 12,108,009,968.55, 18,162,014,952.83 and 12,108,009,968.55

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Solution

The fourth proportional to 12,108,009,968.55, 18,162,014,952.83 and 12,108,009,968.55 is: 18,162,014,952.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,009,968.55 : 18,162,014,952.83 = 12,108,009,968.55 : x
  2. Step 2: Convert to fraction form
    12,108,009,968.55/18,162,014,952.83 = 12,108,009,968.55/x
  3. Step 3: Cross multiply
    12,108,009,968.55x = 18,162,014,952.83 × 12,108,009,968.55
  4. Step 4: Simplify right side
    12,108,009,968.55x = 219,905,858,097,759,256,576
  5. Step 5: Solve for x
    x = 219,905,858,097,759,256,576/12,108,009,968.55
  6. Step 6: Final answer
    x = 18,162,014,952.83

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Double scale
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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.