Home / 1,276,376,712.88-1,914,763,021.92-539,449,720

Finding the Fourth Proportional to 1,276,376,712.88, 1,914,763,021.92 and 539,449,720

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Solution

The fourth proportional to 1,276,376,712.88, 1,914,763,021.92 and 539,449,720 is: 809,258,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,376,712.88 : 1,914,763,021.92 = 539,449,720 : x
  2. Step 2: Convert to fraction form
    1,276,376,712.88/1,914,763,021.92 = 539,449,720/x
  3. Step 3: Cross multiply
    1,276,376,712.88x = 1,914,763,021.92 × 539,449,720
  4. Step 4: Simplify right side
    1,276,376,712.88x = 1,032,918,376,041,097,856
  5. Step 5: Solve for x
    x = 1,032,918,376,041,097,856/1,276,376,712.88
  6. Step 6: Final answer
    x = 809,258,242.98

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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.