Home / 8,615,162,213.85-11,888,923,878.00-4,654,863,881.85

Finding the Fourth Proportional to 8,615,162,213.85, 11,888,923,878.00 and 4,654,863,881.85

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Solution

The fourth proportional to 8,615,162,213.85, 11,888,923,878.00 and 4,654,863,881.85 is: 6,423,712,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,162,213.85 : 11,888,923,878.00 = 4,654,863,881.85 : x
  2. Step 2: Convert to fraction form
    8,615,162,213.85/11,888,923,878.00 = 4,654,863,881.85/x
  3. Step 3: Cross multiply
    8,615,162,213.85x = 11,888,923,878.00 × 4,654,863,881.85
  4. Step 4: Simplify right side
    8,615,162,213.85x = 55,341,322,353,742,970,880
  5. Step 5: Solve for x
    x = 55,341,322,353,742,970,880/8,615,162,213.85
  6. Step 6: Final answer
    x = 6,423,712,169.32

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Double scale
Find fourth proportional to 8,615,162,214.85, 11,888,923,879.38 and 4,654,863,882.85
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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.