Home / 3,987,547,349.54-5,503,129,028.97-2,270,969,088.98

Finding the Fourth Proportional to 3,987,547,349.54, 5,503,129,028.97 and 2,270,969,088.98

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Solution

The fourth proportional to 3,987,547,349.54, 5,503,129,028.97 and 2,270,969,088.98 is: 3,134,115,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,547,349.54 : 5,503,129,028.97 = 2,270,969,088.98 : x
  2. Step 2: Convert to fraction form
    3,987,547,349.54/5,503,129,028.97 = 2,270,969,088.98/x
  3. Step 3: Cross multiply
    3,987,547,349.54x = 5,503,129,028.97 × 2,270,969,088.98
  4. Step 4: Simplify right side
    3,987,547,349.54x = 12,497,435,917,459,394,560
  5. Step 5: Solve for x
    x = 12,497,435,917,459,394,560/3,987,547,349.54
  6. Step 6: Final answer
    x = 3,134,115,992.10

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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.