Home / 13,886,037,907.40-19,162,887,204.84-8,171,585,366.60

Finding the Fourth Proportional to 13,886,037,907.40, 19,162,887,204.84 and 8,171,585,366.60

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Solution

The fourth proportional to 13,886,037,907.40, 19,162,887,204.84 and 8,171,585,366.60 is: 11,276,878,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,037,907.40 : 19,162,887,204.84 = 8,171,585,366.60 : x
  2. Step 2: Convert to fraction form
    13,886,037,907.40/19,162,887,204.84 = 8,171,585,366.60/x
  3. Step 3: Cross multiply
    13,886,037,907.40x = 19,162,887,204.84 × 8,171,585,366.60
  4. Step 4: Simplify right side
    13,886,037,907.40x = 156,591,168,664,876,941,312
  5. Step 5: Solve for x
    x = 156,591,168,664,876,941,312/13,886,037,907.40
  6. Step 6: Final answer
    x = 11,276,878,956.34

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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.