Home / 3,985,754,805.60-5,978,632,208.40-1,914,977,234.40

Finding the Fourth Proportional to 3,985,754,805.60, 5,978,632,208.40 and 1,914,977,234.40

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Solution

The fourth proportional to 3,985,754,805.60, 5,978,632,208.40 and 1,914,977,234.40 is: 2,872,465,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,754,805.60 : 5,978,632,208.40 = 1,914,977,234.40 : x
  2. Step 2: Convert to fraction form
    3,985,754,805.60/5,978,632,208.40 = 1,914,977,234.40/x
  3. Step 3: Cross multiply
    3,985,754,805.60x = 5,978,632,208.40 × 1,914,977,234.40
  4. Step 4: Simplify right side
    3,985,754,805.60x = 11,448,944,571,936,595,968
  5. Step 5: Solve for x
    x = 11,448,944,571,936,595,968/3,985,754,805.60
  6. Step 6: Final answer
    x = 2,872,465,851.60

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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.