Home / 14,592,448,642.30-20,137,608,799.88-7,909,449,734.14

Finding the Fourth Proportional to 14,592,448,642.30, 20,137,608,799.88 and 7,909,449,734.14

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Solution

The fourth proportional to 14,592,448,642.30, 20,137,608,799.88 and 7,909,449,734.14 is: 10,915,056,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592,448,642.30 : 20,137,608,799.88 = 7,909,449,734.14 : x
  2. Step 2: Convert to fraction form
    14,592,448,642.30/20,137,608,799.88 = 7,909,449,734.14/x
  3. Step 3: Cross multiply
    14,592,448,642.30x = 20,137,608,799.88 × 7,909,449,734.14
  4. Step 4: Simplify right side
    14,592,448,642.30x = 159,277,404,568,426,217,472
  5. Step 5: Solve for x
    x = 159,277,404,568,426,217,472/14,592,448,642.30
  6. Step 6: Final answer
    x = 10,915,056,716.85

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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.