Home / 2,722,882,912,975.50-4,085,040,742,984.20-978,526,712,685.20

Finding the Fourth Proportional to 2,722,882,912,975.50, 4,085,040,742,984.20 and 978,526,712,685.20

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Solution

The fourth proportional to 2,722,882,912,975.50, 4,085,040,742,984.20 and 978,526,712,685.20 is: 1,468,047,513,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722,882,912,975.50 : 4,085,040,742,984.20 = 978,526,712,685.20 : x
  2. Step 2: Convert to fraction form
    2,722,882,912,975.50/4,085,040,742,984.20 = 978,526,712,685.20/x
  3. Step 3: Cross multiply
    2,722,882,912,975.50x = 4,085,040,742,984.20 × 978,526,712,685.20
  4. Step 4: Simplify right side
    2,722,882,912,975.50x = 3,997,321,489,417,436,265,447,424
  5. Step 5: Solve for x
    x = 3,997,321,489,417,436,265,447,424/2,722,882,912,975.50
  6. Step 6: Final answer
    x = 1,468,047,513,306.13

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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.