Home / 13,706,525,483.55-18,914,640,198.50-7,912,633,350.74

Finding the Fourth Proportional to 13,706,525,483.55, 18,914,640,198.50 and 7,912,633,350.74

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Solution

The fourth proportional to 13,706,525,483.55, 18,914,640,198.50 and 7,912,633,350.74 is: 10,919,223,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,525,483.55 : 18,914,640,198.50 = 7,912,633,350.74 : x
  2. Step 2: Convert to fraction form
    13,706,525,483.55/18,914,640,198.50 = 7,912,633,350.74/x
  3. Step 3: Cross multiply
    13,706,525,483.55x = 18,914,640,198.50 × 7,912,633,350.74
  4. Step 4: Simplify right side
    13,706,525,483.55x = 149,664,612,851,764,396,032
  5. Step 5: Solve for x
    x = 149,664,612,851,764,396,032/13,706,525,483.55
  6. Step 6: Final answer
    x = 10,919,223,331.35

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Double scale
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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.