Home / 2,722,882,912,976.50-4,085,040,742,985.70-978,526,712,686.20

Finding the Fourth Proportional to 2,722,882,912,976.50, 4,085,040,742,985.70 and 978,526,712,686.20

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Solution

The fourth proportional to 2,722,882,912,976.50, 4,085,040,742,985.70 and 978,526,712,686.20 is: 1,468,047,513,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722,882,912,976.50 : 4,085,040,742,985.70 = 978,526,712,686.20 : x
  2. Step 2: Convert to fraction form
    2,722,882,912,976.50/4,085,040,742,985.70 = 978,526,712,686.20/x
  3. Step 3: Cross multiply
    2,722,882,912,976.50x = 4,085,040,742,985.70 × 978,526,712,686.20
  4. Step 4: Simplify right side
    2,722,882,912,976.50x = 3,997,321,489,422,989,121,290,240
  5. Step 5: Solve for x
    x = 3,997,321,489,422,989,121,290,240/2,722,882,912,976.50
  6. Step 6: Final answer
    x = 1,468,047,513,307.63

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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.