Home / 1,173,042,947.43-1,618,800,328.44-644,441,176.44

Finding the Fourth Proportional to 1,173,042,947.43, 1,618,800,328.44 and 644,441,176.44

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Solution

The fourth proportional to 1,173,042,947.43, 1,618,800,328.44 and 644,441,176.44 is: 889,329,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,042,947.43 : 1,618,800,328.44 = 644,441,176.44 : x
  2. Step 2: Convert to fraction form
    1,173,042,947.43/1,618,800,328.44 = 644,441,176.44/x
  3. Step 3: Cross multiply
    1,173,042,947.43x = 1,618,800,328.44 × 644,441,176.44
  4. Step 4: Simplify right side
    1,173,042,947.43x = 1,043,221,588,081,332,096
  5. Step 5: Solve for x
    x = 1,043,221,588,081,332,096/1,173,042,947.43
  6. Step 6: Final answer
    x = 889,329,406.37

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Double scale
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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.