Home / 2,016,171,353.70-3,020,855,808.15-978,798,521.70

Finding the Fourth Proportional to 2,016,171,353.70, 3,020,855,808.15 and 978,798,521.70

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Solution

The fourth proportional to 2,016,171,353.70, 3,020,855,808.15 and 978,798,521.70 is: 1,466,546,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,171,353.70 : 3,020,855,808.15 = 978,798,521.70 : x
  2. Step 2: Convert to fraction form
    2,016,171,353.70/3,020,855,808.15 = 978,798,521.70/x
  3. Step 3: Cross multiply
    2,016,171,353.70x = 3,020,855,808.15 × 978,798,521.70
  4. Step 4: Simplify right side
    2,016,171,353.70x = 2,956,809,199,286,078,976
  5. Step 5: Solve for x
    x = 2,956,809,199,286,078,976/2,016,171,353.70
  6. Step 6: Final answer
    x = 1,466,546,577.93

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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.