Home / 19,131,919,556.40-28,697,879,334.60-17,203,426,455.60

Finding the Fourth Proportional to 19,131,919,556.40, 28,697,879,334.60 and 17,203,426,455.60

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Solution

The fourth proportional to 19,131,919,556.40, 28,697,879,334.60 and 17,203,426,455.60 is: 25,805,139,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131,919,556.40 : 28,697,879,334.60 = 17,203,426,455.60 : x
  2. Step 2: Convert to fraction form
    19,131,919,556.40/28,697,879,334.60 = 17,203,426,455.60/x
  3. Step 3: Cross multiply
    19,131,919,556.40x = 28,697,879,334.60 × 17,203,426,455.60
  4. Step 4: Simplify right side
    19,131,919,556.40x = 493,701,856,564,474,085,376
  5. Step 5: Solve for x
    x = 493,701,856,564,474,085,376/19,131,919,556.40
  6. Step 6: Final answer
    x = 25,805,139,683.40

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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.