Home / 8,615,162,214.69-11,888,923,879.16-4,654,863,882.69

Finding the Fourth Proportional to 8,615,162,214.69, 11,888,923,879.16 and 4,654,863,882.69

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Solution

The fourth proportional to 8,615,162,214.69, 11,888,923,879.16 and 4,654,863,882.69 is: 6,423,712,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615,162,214.69 : 11,888,923,879.16 = 4,654,863,882.69 : x
  2. Step 2: Convert to fraction form
    8,615,162,214.69/11,888,923,879.16 = 4,654,863,882.69/x
  3. Step 3: Cross multiply
    8,615,162,214.69x = 11,888,923,879.16 × 4,654,863,882.69
  4. Step 4: Simplify right side
    8,615,162,214.69x = 55,341,322,369,150,705,664
  5. Step 5: Solve for x
    x = 55,341,322,369,150,705,664/8,615,162,214.69
  6. Step 6: Final answer
    x = 6,423,712,170.48

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Half scale
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Double scale
Find fourth proportional to 8,615,162,215.69, 11,888,923,880.54 and 4,654,863,883.69
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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.