Home / 836,880,491.20-1,255,320,736.80-262,450,897.60

Finding the Fourth Proportional to 836,880,491.20, 1,255,320,736.80 and 262,450,897.60

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Solution

The fourth proportional to 836,880,491.20, 1,255,320,736.80 and 262,450,897.60 is: 393,676,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,880,491.20 : 1,255,320,736.80 = 262,450,897.60 : x
  2. Step 2: Convert to fraction form
    836,880,491.20/1,255,320,736.80 = 262,450,897.60/x
  3. Step 3: Cross multiply
    836,880,491.20x = 1,255,320,736.80 × 262,450,897.60
  4. Step 4: Simplify right side
    836,880,491.20x = 329,460,054,149,053,312
  5. Step 5: Solve for x
    x = 329,460,054,149,053,312/836,880,491.20
  6. Step 6: Final answer
    x = 393,676,346.40

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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.