Home / 1,411,289,074.05-1,947,822,695.96-816,901,286.42

Finding the Fourth Proportional to 1,411,289,074.05, 1,947,822,695.96 and 816,901,286.42

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Solution

The fourth proportional to 1,411,289,074.05, 1,947,822,695.96 and 816,901,286.42 is: 1,127,464,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,289,074.05 : 1,947,822,695.96 = 816,901,286.42 : x
  2. Step 2: Convert to fraction form
    1,411,289,074.05/1,947,822,695.96 = 816,901,286.42/x
  3. Step 3: Cross multiply
    1,411,289,074.05x = 1,947,822,695.96 × 816,901,286.42
  4. Step 4: Simplify right side
    1,411,289,074.05x = 1,591,178,866,033,972,736
  5. Step 5: Solve for x
    x = 1,591,178,866,033,972,736/1,411,289,074.05
  6. Step 6: Final answer
    x = 1,127,464,879.66

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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.