Home / 998,749,173.36-1,378,271,862.36-558,716,025.36

Finding the Fourth Proportional to 998,749,173.36, 1,378,271,862.36 and 558,716,025.36

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Solution

The fourth proportional to 998,749,173.36, 1,378,271,862.36 and 558,716,025.36 is: 771,026,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,749,173.36 : 1,378,271,862.36 = 558,716,025.36 : x
  2. Step 2: Convert to fraction form
    998,749,173.36/1,378,271,862.36 = 558,716,025.36/x
  3. Step 3: Cross multiply
    998,749,173.36x = 1,378,271,862.36 × 558,716,025.36
  4. Step 4: Simplify right side
    998,749,173.36x = 770,062,576,803,304,192
  5. Step 5: Solve for x
    x = 770,062,576,803,304,192/998,749,173.36
  6. Step 6: Final answer
    x = 771,026,997.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.