Home / 28,803,373,916.05-39,747,793,087.73-15,943,540,994.62

Finding the Fourth Proportional to 28,803,373,916.05, 39,747,793,087.73 and 15,943,540,994.62

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Solution

The fourth proportional to 28,803,373,916.05, 39,747,793,087.73 and 15,943,540,994.62 is: 22,001,608,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803,373,916.05 : 39,747,793,087.73 = 15,943,540,994.62 : x
  2. Step 2: Convert to fraction form
    28,803,373,916.05/39,747,793,087.73 = 15,943,540,994.62/x
  3. Step 3: Cross multiply
    28,803,373,916.05x = 39,747,793,087.73 × 15,943,540,994.62
  4. Step 4: Simplify right side
    28,803,373,916.05x = 633,720,568,539,618,213,888
  5. Step 5: Solve for x
    x = 633,720,568,539,618,213,888/28,803,373,916.05
  6. Step 6: Final answer
    x = 22,001,608,922.16

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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.