Home / 28,803,373,914.29-39,747,793,085.30-15,943,540,992.86

Finding the Fourth Proportional to 28,803,373,914.29, 39,747,793,085.30 and 15,943,540,992.86

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Solution

The fourth proportional to 28,803,373,914.29, 39,747,793,085.30 and 15,943,540,992.86 is: 22,001,608,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803,373,914.29 : 39,747,793,085.30 = 15,943,540,992.86 : x
  2. Step 2: Convert to fraction form
    28,803,373,914.29/39,747,793,085.30 = 15,943,540,992.86/x
  3. Step 3: Cross multiply
    28,803,373,914.29x = 39,747,793,085.30 × 15,943,540,992.86
  4. Step 4: Simplify right side
    28,803,373,914.29x = 633,720,568,431,420,637,184
  5. Step 5: Solve for x
    x = 633,720,568,431,420,637,184/28,803,373,914.29
  6. Step 6: Final answer
    x = 22,001,608,919.75

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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.