Home / 2,166,706,971.48-2,990,971,021.86-1,462,812,448.44

Finding the Fourth Proportional to 2,166,706,971.48, 2,990,971,021.86 and 1,462,812,448.44

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Solution

The fourth proportional to 2,166,706,971.48, 2,990,971,021.86 and 1,462,812,448.44 is: 2,019,299,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,706,971.48 : 2,990,971,021.86 = 1,462,812,448.44 : x
  2. Step 2: Convert to fraction form
    2,166,706,971.48/2,990,971,021.86 = 1,462,812,448.44/x
  3. Step 3: Cross multiply
    2,166,706,971.48x = 2,990,971,021.86 × 1,462,812,448.44
  4. Step 4: Simplify right side
    2,166,706,971.48x = 4,375,229,643,700,115,968
  5. Step 5: Solve for x
    x = 4,375,229,643,700,115,968/2,166,706,971.48
  6. Step 6: Final answer
    x = 2,019,299,195.18

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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.