Home / 8,615,162,221.67-11,888,923,888.79-4,654,863,889.67

Finding the Fourth Proportional to 8,615,162,221.67, 11,888,923,888.79 and 4,654,863,889.67

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Solution

The fourth proportional to 8,615,162,221.67, 11,888,923,888.79 and 4,654,863,889.67 is: 6,423,712,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,162,221.67 : 11,888,923,888.79 = 4,654,863,889.67 : x
  2. Step 2: Convert to fraction form
    8,615,162,221.67/11,888,923,888.79 = 4,654,863,889.67/x
  3. Step 3: Cross multiply
    8,615,162,221.67x = 11,888,923,888.79 × 4,654,863,889.67
  4. Step 4: Simplify right side
    8,615,162,221.67x = 55,341,322,496,963,608,576
  5. Step 5: Solve for x
    x = 55,341,322,496,963,608,576/8,615,162,221.67
  6. Step 6: Final answer
    x = 6,423,712,180.11

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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.