Home / 809,154,575.19-1,116,633,277.26-437,876,616.69

Finding the Fourth Proportional to 809,154,575.19, 1,116,633,277.26 and 437,876,616.69

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Solution

The fourth proportional to 809,154,575.19, 1,116,633,277.26 and 437,876,616.69 is: 604,269,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,154,575.19 : 1,116,633,277.26 = 437,876,616.69 : x
  2. Step 2: Convert to fraction form
    809,154,575.19/1,116,633,277.26 = 437,876,616.69/x
  3. Step 3: Cross multiply
    809,154,575.19x = 1,116,633,277.26 × 437,876,616.69
  4. Step 4: Simplify right side
    809,154,575.19x = 488,947,601,530,075,520
  5. Step 5: Solve for x
    x = 488,947,601,530,075,520/809,154,575.19
  6. Step 6: Final answer
    x = 604,269,711.28

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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.