Home / 25,907,078,978.88-38,862,990,013.92-7,274,449,277.76

Finding the Fourth Proportional to 25,907,078,978.88, 38,862,990,013.92 and 7,274,449,277.76

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Solution

The fourth proportional to 25,907,078,978.88, 38,862,990,013.92 and 7,274,449,277.76 is: 10,912,339,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,907,078,978.88 : 38,862,990,013.92 = 7,274,449,277.76 : x
  2. Step 2: Convert to fraction form
    25,907,078,978.88/38,862,990,013.92 = 7,274,449,277.76/x
  3. Step 3: Cross multiply
    25,907,078,978.88x = 38,862,990,013.92 × 7,274,449,277.76
  4. Step 4: Simplify right side
    25,907,078,978.88x = 282,706,849,638,354,419,712
  5. Step 5: Solve for x
    x = 282,706,849,638,354,419,712/25,907,078,978.88
  6. Step 6: Final answer
    x = 10,912,339,822.98

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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.