Home / 1,173,042,951.93-1,618,800,334.65-644,441,180.94

Finding the Fourth Proportional to 1,173,042,951.93, 1,618,800,334.65 and 644,441,180.94

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Solution

The fourth proportional to 1,173,042,951.93, 1,618,800,334.65 and 644,441,180.94 is: 889,329,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,042,951.93 : 1,618,800,334.65 = 644,441,180.94 : x
  2. Step 2: Convert to fraction form
    1,173,042,951.93/1,618,800,334.65 = 644,441,180.94/x
  3. Step 3: Cross multiply
    1,173,042,951.93x = 1,618,800,334.65 × 644,441,180.94
  4. Step 4: Simplify right side
    1,173,042,951.93x = 1,043,221,599,367,913,344
  5. Step 5: Solve for x
    x = 1,043,221,599,367,913,344/1,173,042,951.93
  6. Step 6: Final answer
    x = 889,329,412.58

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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.