Home / 2,115,084,851.20-3,172,627,276.80-1,706,938,163.20

Finding the Fourth Proportional to 2,115,084,851.20, 3,172,627,276.80 and 1,706,938,163.20

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Solution

The fourth proportional to 2,115,084,851.20, 3,172,627,276.80 and 1,706,938,163.20 is: 2,560,407,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,084,851.20 : 3,172,627,276.80 = 1,706,938,163.20 : x
  2. Step 2: Convert to fraction form
    2,115,084,851.20/3,172,627,276.80 = 1,706,938,163.20/x
  3. Step 3: Cross multiply
    2,115,084,851.20x = 3,172,627,276.80 × 1,706,938,163.20
  4. Step 4: Simplify right side
    2,115,084,851.20x = 5,415,478,576,379,210,752
  5. Step 5: Solve for x
    x = 5,415,478,576,379,210,752/2,115,084,851.20
  6. Step 6: Final answer
    x = 2,560,407,244.80

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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.