Home / 70,407,062,615.27-105,611,247,655.49-20,042,494,640.26

Finding the Fourth Proportional to 70,407,062,615.27, 105,611,247,655.49 and 20,042,494,640.26

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Solution

The fourth proportional to 70,407,062,615.27, 105,611,247,655.49 and 20,042,494,640.26 is: 30,063,928,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,407,062,615.27 : 105,611,247,655.49 = 20,042,494,640.26 : x
  2. Step 2: Convert to fraction form
    70,407,062,615.27/105,611,247,655.49 = 20,042,494,640.26/x
  3. Step 3: Cross multiply
    70,407,062,615.27x = 105,611,247,655.49 × 20,042,494,640.26
  4. Step 4: Simplify right side
    70,407,062,615.27x = 2,116,712,865,086,013,177,856
  5. Step 5: Solve for x
    x = 2,116,712,865,086,013,177,856/70,407,062,615.27
  6. Step 6: Final answer
    x = 30,063,928,055.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.