Home / 11,863,770,658.40-17,795,655,987.60-9,117,262,575.20

Finding the Fourth Proportional to 11,863,770,658.40, 17,795,655,987.60 and 9,117,262,575.20

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Solution

The fourth proportional to 11,863,770,658.40, 17,795,655,987.60 and 9,117,262,575.20 is: 13,675,893,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863,770,658.40 : 17,795,655,987.60 = 9,117,262,575.20 : x
  2. Step 2: Convert to fraction form
    11,863,770,658.40/17,795,655,987.60 = 9,117,262,575.20/x
  3. Step 3: Cross multiply
    11,863,770,658.40x = 17,795,655,987.60 × 9,117,262,575.20
  4. Step 4: Simplify right side
    11,863,770,658.40x = 162,247,668,336,879,271,936
  5. Step 5: Solve for x
    x = 162,247,668,336,879,271,936/11,863,770,658.40
  6. Step 6: Final answer
    x = 13,675,893,862.80

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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.