Home / 5,251,146,381.45-7,246,603,839.34-2,839,828,873.72

Finding the Fourth Proportional to 5,251,146,381.45, 7,246,603,839.34 and 2,839,828,873.72

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Solution

The fourth proportional to 5,251,146,381.45, 7,246,603,839.34 and 2,839,828,873.72 is: 3,918,975,653.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,146,381.45 : 7,246,603,839.34 = 2,839,828,873.72 : x
  2. Step 2: Convert to fraction form
    5,251,146,381.45/7,246,603,839.34 = 2,839,828,873.72/x
  3. Step 3: Cross multiply
    5,251,146,381.45x = 7,246,603,839.34 × 2,839,828,873.72
  4. Step 4: Simplify right side
    5,251,146,381.45x = 20,579,114,819,353,231,360
  5. Step 5: Solve for x
    x = 20,579,114,819,353,231,360/5,251,146,381.45
  6. Step 6: Final answer
    x = 3,918,975,653.02

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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.