Home / 28,803,373,918.05-39,747,793,090.49-15,943,540,996.62

Finding the Fourth Proportional to 28,803,373,918.05, 39,747,793,090.49 and 15,943,540,996.62

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Solution

The fourth proportional to 28,803,373,918.05, 39,747,793,090.49 and 15,943,540,996.62 is: 22,001,608,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803,373,918.05 : 39,747,793,090.49 = 15,943,540,996.62 : x
  2. Step 2: Convert to fraction form
    28,803,373,918.05/39,747,793,090.49 = 15,943,540,996.62/x
  3. Step 3: Cross multiply
    28,803,373,918.05x = 39,747,793,090.49 × 15,943,540,996.62
  4. Step 4: Simplify right side
    28,803,373,918.05x = 633,720,568,663,332,749,312
  5. Step 5: Solve for x
    x = 633,720,568,663,332,749,312/28,803,373,918.05
  6. Step 6: Final answer
    x = 22,001,608,924.93

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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.