Home / 12,288,196,615.51-16,957,740,806.67-6,649,472,973.79

Finding the Fourth Proportional to 12,288,196,615.51, 16,957,740,806.67 and 6,649,472,973.79

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Solution

The fourth proportional to 12,288,196,615.51, 16,957,740,806.67 and 6,649,472,973.79 is: 9,176,288,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288,196,615.51 : 16,957,740,806.67 = 6,649,472,973.79 : x
  2. Step 2: Convert to fraction form
    12,288,196,615.51/16,957,740,806.67 = 6,649,472,973.79/x
  3. Step 3: Cross multiply
    12,288,196,615.51x = 16,957,740,806.67 × 6,649,472,973.79
  4. Step 4: Simplify right side
    12,288,196,615.51x = 112,760,039,190,487,990,272
  5. Step 5: Solve for x
    x = 112,760,039,190,487,990,272/12,288,196,615.51
  6. Step 6: Final answer
    x = 9,176,288,654.77

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Double scale
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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.