Home / 3,985,754,981.60-5,978,632,472.40-1,914,977,410.40

Finding the Fourth Proportional to 3,985,754,981.60, 5,978,632,472.40 and 1,914,977,410.40

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Solution

The fourth proportional to 3,985,754,981.60, 5,978,632,472.40 and 1,914,977,410.40 is: 2,872,466,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,754,981.60 : 5,978,632,472.40 = 1,914,977,410.40 : x
  2. Step 2: Convert to fraction form
    3,985,754,981.60/5,978,632,472.40 = 1,914,977,410.40/x
  3. Step 3: Cross multiply
    3,985,754,981.60x = 5,978,632,472.40 × 1,914,977,410.40
  4. Step 4: Simplify right side
    3,985,754,981.60x = 11,448,946,129,729,900,544
  5. Step 5: Solve for x
    x = 11,448,946,129,729,900,544/3,985,754,981.60
  6. Step 6: Final answer
    x = 2,872,466,115.60

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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.