Home / 11,689,786,592.13-16,133,107,860.20-7,112,375,975.15

Finding the Fourth Proportional to 11,689,786,592.13, 16,133,107,860.20 and 7,112,375,975.15

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Solution

The fourth proportional to 11,689,786,592.13, 16,133,107,860.20 and 7,112,375,975.15 is: 9,815,810,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689,786,592.13 : 16,133,107,860.20 = 7,112,375,975.15 : x
  2. Step 2: Convert to fraction form
    11,689,786,592.13/16,133,107,860.20 = 7,112,375,975.15/x
  3. Step 3: Cross multiply
    11,689,786,592.13x = 16,133,107,860.20 × 7,112,375,975.15
  4. Step 4: Simplify right side
    11,689,786,592.13x = 114,744,728,749,323,665,408
  5. Step 5: Solve for x
    x = 114,744,728,749,323,665,408/11,689,786,592.13
  6. Step 6: Final answer
    x = 9,815,810,395.25

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1.5x scale

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.