Home / 3,914,883,078.48-5,402,538,347.76-2,130,749,324.64

Finding the Fourth Proportional to 3,914,883,078.48, 5,402,538,347.76 and 2,130,749,324.64

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Solution

The fourth proportional to 3,914,883,078.48, 5,402,538,347.76 and 2,130,749,324.64 is: 2,940,433,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,883,078.48 : 5,402,538,347.76 = 2,130,749,324.64 : x
  2. Step 2: Convert to fraction form
    3,914,883,078.48/5,402,538,347.76 = 2,130,749,324.64/x
  3. Step 3: Cross multiply
    3,914,883,078.48x = 5,402,538,347.76 × 2,130,749,324.64
  4. Step 4: Simplify right side
    3,914,883,078.48x = 11,511,454,935,831,322,624
  5. Step 5: Solve for x
    x = 11,511,454,935,831,322,624/3,914,883,078.48
  6. Step 6: Final answer
    x = 2,940,433,904.43

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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.