Home / 12,319,360,003.20-18,479,040,004.80-9,567,477,148.80

Finding the Fourth Proportional to 12,319,360,003.20, 18,479,040,004.80 and 9,567,477,148.80

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Solution

The fourth proportional to 12,319,360,003.20, 18,479,040,004.80 and 9,567,477,148.80 is: 14,351,215,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319,360,003.20 : 18,479,040,004.80 = 9,567,477,148.80 : x
  2. Step 2: Convert to fraction form
    12,319,360,003.20/18,479,040,004.80 = 9,567,477,148.80/x
  3. Step 3: Cross multiply
    12,319,360,003.20x = 18,479,040,004.80 × 9,567,477,148.80
  4. Step 4: Simplify right side
    12,319,360,003.20x = 176,797,792,977,685,020,672
  5. Step 5: Solve for x
    x = 176,797,792,977,685,020,672/12,319,360,003.20
  6. Step 6: Final answer
    x = 14,351,215,723.20

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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.