Home / 3,987,547,351.29-5,503,129,031.39-2,270,969,090.73

Finding the Fourth Proportional to 3,987,547,351.29, 5,503,129,031.39 and 2,270,969,090.73

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Solution

The fourth proportional to 3,987,547,351.29, 5,503,129,031.39 and 2,270,969,090.73 is: 3,134,115,994.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,547,351.29 : 5,503,129,031.39 = 2,270,969,090.73 : x
  2. Step 2: Convert to fraction form
    3,987,547,351.29/5,503,129,031.39 = 2,270,969,090.73/x
  3. Step 3: Cross multiply
    3,987,547,351.29x = 5,503,129,031.39 × 2,270,969,090.73
  4. Step 4: Simplify right side
    3,987,547,351.29x = 12,497,435,932,574,259,200
  5. Step 5: Solve for x
    x = 12,497,435,932,574,259,200/3,987,547,351.29
  6. Step 6: Final answer
    x = 3,134,115,994.52

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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.