Home / 836,880,512.20-1,255,320,768.30-262,450,918.60

Finding the Fourth Proportional to 836,880,512.20, 1,255,320,768.30 and 262,450,918.60

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Solution

The fourth proportional to 836,880,512.20, 1,255,320,768.30 and 262,450,918.60 is: 393,676,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,880,512.20 : 1,255,320,768.30 = 262,450,918.60 : x
  2. Step 2: Convert to fraction form
    836,880,512.20/1,255,320,768.30 = 262,450,918.60/x
  3. Step 3: Cross multiply
    836,880,512.20x = 1,255,320,768.30 × 262,450,918.60
  4. Step 4: Simplify right side
    836,880,512.20x = 329,460,088,777,992,768
  5. Step 5: Solve for x
    x = 329,460,088,777,992,768/836,880,512.20
  6. Step 6: Final answer
    x = 393,676,377.90

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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.