Home / 13,307,907,525.36-18,364,786,749.72-7,667,051,558.64

Finding the Fourth Proportional to 13,307,907,525.36, 18,364,786,749.72 and 7,667,051,558.64

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Solution

The fourth proportional to 13,307,907,525.36, 18,364,786,749.72 and 7,667,051,558.64 is: 10,580,458,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,907,525.36 : 18,364,786,749.72 = 7,667,051,558.64 : x
  2. Step 2: Convert to fraction form
    13,307,907,525.36/18,364,786,749.72 = 7,667,051,558.64/x
  3. Step 3: Cross multiply
    13,307,907,525.36x = 18,364,786,749.72 × 7,667,051,558.64
  4. Step 4: Simplify right side
    13,307,907,525.36x = 140,803,766,873,531,957,248
  5. Step 5: Solve for x
    x = 140,803,766,873,531,957,248/13,307,907,525.36
  6. Step 6: Final answer
    x = 10,580,458,768.98

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Double scale
Find fourth proportional to 13,307,907,526.36, 18,364,786,751.10 and 7,667,051,559.64
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1.5x scale

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.