Home / 809,154,555.94-1,116,633,250.65-437,876,597.44

Finding the Fourth Proportional to 809,154,555.94, 1,116,633,250.65 and 437,876,597.44

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Solution

The fourth proportional to 809,154,555.94, 1,116,633,250.65 and 437,876,597.44 is: 604,269,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,154,555.94 : 1,116,633,250.65 = 437,876,597.44 : x
  2. Step 2: Convert to fraction form
    809,154,555.94/1,116,633,250.65 = 437,876,597.44/x
  3. Step 3: Cross multiply
    809,154,555.94x = 1,116,633,250.65 × 437,876,597.44
  4. Step 4: Simplify right side
    809,154,555.94x = 488,947,568,382,988,736
  5. Step 5: Solve for x
    x = 488,947,568,382,988,736/809,154,555.94
  6. Step 6: Final answer
    x = 604,269,684.69

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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.