Home / 228,275,609,079.71-315,021,076,628.93-126,777,494,406.84

Finding the Fourth Proportional to 228,275,609,079.71, 315,021,076,628.93 and 126,777,494,406.84

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Solution

The fourth proportional to 228,275,609,079.71, 315,021,076,628.93 and 126,777,494,406.84 is: 174,953,351,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,275,609,079.71 : 315,021,076,628.93 = 126,777,494,406.84 : x
  2. Step 2: Convert to fraction form
    228,275,609,079.71/315,021,076,628.93 = 126,777,494,406.84/x
  3. Step 3: Cross multiply
    228,275,609,079.71x = 315,021,076,628.93 × 126,777,494,406.84
  4. Step 4: Simplify right side
    228,275,609,079.71x = 39,937,582,780,360,884,748,288
  5. Step 5: Solve for x
    x = 39,937,582,780,360,884,748,288/228,275,609,079.71
  6. Step 6: Final answer
    x = 174,953,351,088.93

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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.