Home / 3,985,754,969.60-5,978,632,454.40-1,914,977,398.40

Finding the Fourth Proportional to 3,985,754,969.60, 5,978,632,454.40 and 1,914,977,398.40

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Solution

The fourth proportional to 3,985,754,969.60, 5,978,632,454.40 and 1,914,977,398.40 is: 2,872,466,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,754,969.60 : 5,978,632,454.40 = 1,914,977,398.40 : x
  2. Step 2: Convert to fraction form
    3,985,754,969.60/5,978,632,454.40 = 1,914,977,398.40/x
  3. Step 3: Cross multiply
    3,985,754,969.60x = 5,978,632,454.40 × 1,914,977,398.40
  4. Step 4: Simplify right side
    3,985,754,969.60x = 11,448,946,023,516,719,104
  5. Step 5: Solve for x
    x = 11,448,946,023,516,719,104/3,985,754,969.60
  6. Step 6: Final answer
    x = 2,872,466,097.60

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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.