Home / 228,275,609,080.71-315,021,076,630.31-126,777,494,407.84

Finding the Fourth Proportional to 228,275,609,080.71, 315,021,076,630.31 and 126,777,494,407.84

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Solution

The fourth proportional to 228,275,609,080.71, 315,021,076,630.31 and 126,777,494,407.84 is: 174,953,351,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,275,609,080.71 : 315,021,076,630.31 = 126,777,494,407.84 : x
  2. Step 2: Convert to fraction form
    228,275,609,080.71/315,021,076,630.31 = 126,777,494,407.84/x
  3. Step 3: Cross multiply
    228,275,609,080.71x = 315,021,076,630.31 × 126,777,494,407.84
  4. Step 4: Simplify right side
    228,275,609,080.71x = 39,937,582,780,850,863,341,568
  5. Step 5: Solve for x
    x = 39,937,582,780,850,863,341,568/228,275,609,080.71
  6. Step 6: Final answer
    x = 174,953,351,090.31

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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.