Home / 28,400,912,721.98-39,183,741,976.11-16,357,682,373.02

Finding the Fourth Proportional to 28,400,912,721.98, 39,183,741,976.11 and 16,357,682,373.02

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Solution

The fourth proportional to 28,400,912,721.98, 39,183,741,976.11 and 16,357,682,373.02 is: 22,568,119,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400,912,721.98 : 39,183,741,976.11 = 16,357,682,373.02 : x
  2. Step 2: Convert to fraction form
    28,400,912,721.98/39,183,741,976.11 = 16,357,682,373.02/x
  3. Step 3: Cross multiply
    28,400,912,721.98x = 39,183,741,976.11 × 16,357,682,373.02
  4. Step 4: Simplify right side
    28,400,912,721.98x = 640,955,205,431,578,460,160
  5. Step 5: Solve for x
    x = 640,955,205,431,578,460,160/28,400,912,721.98
  6. Step 6: Final answer
    x = 22,568,119,965.23

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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.