Home / 315,212,218,367.16-434,993,280,833.31-170,696,597,293.14

Finding the Fourth Proportional to 315,212,218,367.16, 434,993,280,833.31 and 170,696,597,293.14

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Solution

The fourth proportional to 315,212,218,367.16, 434,993,280,833.31 and 170,696,597,293.14 is: 235,561,531,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,212,218,367.16 : 434,993,280,833.31 = 170,696,597,293.14 : x
  2. Step 2: Convert to fraction form
    315,212,218,367.16/434,993,280,833.31 = 170,696,597,293.14/x
  3. Step 3: Cross multiply
    315,212,218,367.16x = 434,993,280,833.31 × 170,696,597,293.14
  4. Step 4: Simplify right side
    315,212,218,367.16x = 74,251,872,883,625,273,851,904
  5. Step 5: Solve for x
    x = 74,251,872,883,625,273,851,904/315,212,218,367.16
  6. Step 6: Final answer
    x = 235,561,531,428.76

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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.