Home / 20,328,620,661.46-28,053,750,722.03-11,174,148,980.47

Finding the Fourth Proportional to 20,328,620,661.46, 28,053,750,722.03 and 11,174,148,980.47

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Solution

The fourth proportional to 20,328,620,661.46, 28,053,750,722.03 and 11,174,148,980.47 is: 15,420,465,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,328,620,661.46 : 28,053,750,722.03 = 11,174,148,980.47 : x
  2. Step 2: Convert to fraction form
    20,328,620,661.46/28,053,750,722.03 = 11,174,148,980.47/x
  3. Step 3: Cross multiply
    20,328,620,661.46x = 28,053,750,722.03 × 11,174,148,980.47
  4. Step 4: Simplify right side
    20,328,620,661.46x = 313,476,790,028,835,487,744
  5. Step 5: Solve for x
    x = 313,476,790,028,835,487,744/20,328,620,661.46
  6. Step 6: Final answer
    x = 15,420,465,325.68

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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.