Home / 20,912,506,596.41-28,859,356,833.32-11,880,760,298.73

Finding the Fourth Proportional to 20,912,506,596.41, 28,859,356,833.32 and 11,880,760,298.73

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Solution

The fourth proportional to 20,912,506,596.41, 28,859,356,833.32 and 11,880,760,298.73 is: 16,395,504,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,912,506,596.41 : 28,859,356,833.32 = 11,880,760,298.73 : x
  2. Step 2: Convert to fraction form
    20,912,506,596.41/28,859,356,833.32 = 11,880,760,298.73/x
  3. Step 3: Cross multiply
    20,912,506,596.41x = 28,859,356,833.32 × 11,880,760,298.73
  4. Step 4: Simplify right side
    20,912,506,596.41x = 342,871,100,912,131,178,496
  5. Step 5: Solve for x
    x = 342,871,100,912,131,178,496/20,912,506,596.41
  6. Step 6: Final answer
    x = 16,395,504,734.52

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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.