Home / 315,212,218,360.62-434,993,280,824.30-170,696,597,286.60

Finding the Fourth Proportional to 315,212,218,360.62, 434,993,280,824.30 and 170,696,597,286.60

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Solution

The fourth proportional to 315,212,218,360.62, 434,993,280,824.30 and 170,696,597,286.60 is: 235,561,531,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,212,218,360.62 : 434,993,280,824.30 = 170,696,597,286.60 : x
  2. Step 2: Convert to fraction form
    315,212,218,360.62/434,993,280,824.30 = 170,696,597,286.60/x
  3. Step 3: Cross multiply
    315,212,218,360.62x = 434,993,280,824.30 × 170,696,597,286.60
  4. Step 4: Simplify right side
    315,212,218,360.62x = 74,251,872,879,242,435,887,104
  5. Step 5: Solve for x
    x = 74,251,872,879,242,435,887,104/315,212,218,360.62
  6. Step 6: Final answer
    x = 235,561,531,419.74

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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.