Home / 20,125,517,884,370-30,185,778,242,430-5,423,777,474,324

Finding the Fourth Proportional to 20,125,517,884,370, 30,185,778,242,430 and 5,423,777,474,324

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Solution

The fourth proportional to 20,125,517,884,370, 30,185,778,242,430 and 5,423,777,474,324 is: 8,134,992,849,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125,517,884,370 : 30,185,778,242,430 = 5,423,777,474,324 : x
  2. Step 2: Convert to fraction form
    20,125,517,884,370/30,185,778,242,430 = 5,423,777,474,324/x
  3. Step 3: Cross multiply
    20,125,517,884,370x = 30,185,778,242,430 × 5,423,777,474,324
  4. Step 4: Simplify right side
    20,125,517,884,370x = 163,720,944,076,231,336,322,400,256
  5. Step 5: Solve for x
    x = 163,720,944,076,231,336,322,400,256/20,125,517,884,370
  6. Step 6: Final answer
    x = 8,134,992,849,221.60

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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.