Home / 13,203,465,878.80-19,805,198,818.20-11,897,396,477.20

Finding the Fourth Proportional to 13,203,465,878.80, 19,805,198,818.20 and 11,897,396,477.20

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Solution

The fourth proportional to 13,203,465,878.80, 19,805,198,818.20 and 11,897,396,477.20 is: 17,846,094,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,465,878.80 : 19,805,198,818.20 = 11,897,396,477.20 : x
  2. Step 2: Convert to fraction form
    13,203,465,878.80/19,805,198,818.20 = 11,897,396,477.20/x
  3. Step 3: Cross multiply
    13,203,465,878.80x = 19,805,198,818.20 × 11,897,396,477.20
  4. Step 4: Simplify right side
    13,203,465,878.80x = 235,630,302,649,898,303,488
  5. Step 5: Solve for x
    x = 235,630,302,649,898,303,488/13,203,465,878.80
  6. Step 6: Final answer
    x = 17,846,094,715.80

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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.