Home / 6,147,016,606.32-9,215,357,990.72-4,979,590,018.80

Finding the Fourth Proportional to 6,147,016,606.32, 9,215,357,990.72 and 4,979,590,018.80

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Solution

The fourth proportional to 6,147,016,606.32, 9,215,357,990.72 and 4,979,590,018.80 is: 7,465,199,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147,016,606.32 : 9,215,357,990.72 = 4,979,590,018.80 : x
  2. Step 2: Convert to fraction form
    6,147,016,606.32/9,215,357,990.72 = 4,979,590,018.80/x
  3. Step 3: Cross multiply
    6,147,016,606.32x = 9,215,357,990.72 × 4,979,590,018.80
  4. Step 4: Simplify right side
    6,147,016,606.32x = 45,888,704,670,258,135,040
  5. Step 5: Solve for x
    x = 45,888,704,670,258,135,040/6,147,016,606.32
  6. Step 6: Final answer
    x = 7,465,199,398.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.