Home / 12,223,147,795.70-18,334,721,693.55-8,271,458,807.90

Finding the Fourth Proportional to 12,223,147,795.70, 18,334,721,693.55 and 8,271,458,807.90

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Solution

The fourth proportional to 12,223,147,795.70, 18,334,721,693.55 and 8,271,458,807.90 is: 12,407,188,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223,147,795.70 : 18,334,721,693.55 = 8,271,458,807.90 : x
  2. Step 2: Convert to fraction form
    12,223,147,795.70/18,334,721,693.55 = 8,271,458,807.90/x
  3. Step 3: Cross multiply
    12,223,147,795.70x = 18,334,721,693.55 × 8,271,458,807.90
  4. Step 4: Simplify right side
    12,223,147,795.70x = 151,654,895,242,509,352,960
  5. Step 5: Solve for x
    x = 151,654,895,242,509,352,960/12,223,147,795.70
  6. Step 6: Final answer
    x = 12,407,188,211.85

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Double scale
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Similar ratio
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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.