Home / 228,275,609,082.71-315,021,076,633.07-126,777,494,409.84

Finding the Fourth Proportional to 228,275,609,082.71, 315,021,076,633.07 and 126,777,494,409.84

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Solution

The fourth proportional to 228,275,609,082.71, 315,021,076,633.07 and 126,777,494,409.84 is: 174,953,351,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,275,609,082.71 : 315,021,076,633.07 = 126,777,494,409.84 : x
  2. Step 2: Convert to fraction form
    228,275,609,082.71/315,021,076,633.07 = 126,777,494,409.84/x
  3. Step 3: Cross multiply
    228,275,609,082.71x = 315,021,076,633.07 × 126,777,494,409.84
  4. Step 4: Simplify right side
    228,275,609,082.71x = 39,937,582,781,830,812,139,520
  5. Step 5: Solve for x
    x = 39,937,582,781,830,812,139,520/228,275,609,082.71
  6. Step 6: Final answer
    x = 174,953,351,093.07

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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.