Home / 345,971,258,685.21-477,440,170,925.40-206,922,538,006.35

Finding the Fourth Proportional to 345,971,258,685.21, 477,440,170,925.40 and 206,922,538,006.35

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Solution

The fourth proportional to 345,971,258,685.21, 477,440,170,925.40 and 206,922,538,006.35 is: 285,553,003,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,971,258,685.21 : 477,440,170,925.40 = 206,922,538,006.35 : x
  2. Step 2: Convert to fraction form
    345,971,258,685.21/477,440,170,925.40 = 206,922,538,006.35/x
  3. Step 3: Cross multiply
    345,971,258,685.21x = 477,440,170,925.40 × 206,922,538,006.35
  4. Step 4: Simplify right side
    345,971,258,685.21x = 98,793,131,914,069,324,857,344
  5. Step 5: Solve for x
    x = 98,793,131,914,069,324,857,344/345,971,258,685.21
  6. Step 6: Final answer
    x = 285,553,003,129.54

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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.