Home / 20,163,843,006.90-30,245,764,510.35-10,865,751,270.90

Finding the Fourth Proportional to 20,163,843,006.90, 30,245,764,510.35 and 10,865,751,270.90

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Solution

The fourth proportional to 20,163,843,006.90, 30,245,764,510.35 and 10,865,751,270.90 is: 16,298,626,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163,843,006.90 : 30,245,764,510.35 = 10,865,751,270.90 : x
  2. Step 2: Convert to fraction form
    20,163,843,006.90/30,245,764,510.35 = 10,865,751,270.90/x
  3. Step 3: Cross multiply
    20,163,843,006.90x = 30,245,764,510.35 × 10,865,751,270.90
  4. Step 4: Simplify right side
    20,163,843,006.90x = 328,642,954,167,677,616,128
  5. Step 5: Solve for x
    x = 328,642,954,167,677,616,128/20,163,843,006.90
  6. Step 6: Final answer
    x = 16,298,626,906.35

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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.