Home / 19,813,107,902.40-29,719,661,853.60-18,297,863,323.20

Finding the Fourth Proportional to 19,813,107,902.40, 29,719,661,853.60 and 18,297,863,323.20

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Solution

The fourth proportional to 19,813,107,902.40, 29,719,661,853.60 and 18,297,863,323.20 is: 27,446,794,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813,107,902.40 : 29,719,661,853.60 = 18,297,863,323.20 : x
  2. Step 2: Convert to fraction form
    19,813,107,902.40/29,719,661,853.60 = 18,297,863,323.20/x
  3. Step 3: Cross multiply
    19,813,107,902.40x = 29,719,661,853.60 × 18,297,863,323.20
  4. Step 4: Simplify right side
    19,813,107,902.40x = 543,806,310,608,893,575,168
  5. Step 5: Solve for x
    x = 543,806,310,608,893,575,168/19,813,107,902.40
  6. Step 6: Final answer
    x = 27,446,794,984.80

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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.