Home / 5,251,146,400.37-7,246,603,865.45-2,839,828,892.69

Finding the Fourth Proportional to 5,251,146,400.37, 7,246,603,865.45 and 2,839,828,892.69

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Solution

The fourth proportional to 5,251,146,400.37, 7,246,603,865.45 and 2,839,828,892.69 is: 3,918,975,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,146,400.37 : 7,246,603,865.45 = 2,839,828,892.69 : x
  2. Step 2: Convert to fraction form
    5,251,146,400.37/7,246,603,865.45 = 2,839,828,892.69/x
  3. Step 3: Cross multiply
    5,251,146,400.37x = 7,246,603,865.45 × 2,839,828,892.69
  4. Step 4: Simplify right side
    5,251,146,400.37x = 20,579,115,031,010,168,832
  5. Step 5: Solve for x
    x = 20,579,115,031,010,168,832/5,251,146,400.37
  6. Step 6: Final answer
    x = 3,918,975,679.21

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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.