Home / 1,640,220,539.70-2,460,330,809.55-491,363,195.70

Finding the Fourth Proportional to 1,640,220,539.70, 2,460,330,809.55 and 491,363,195.70

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Solution

The fourth proportional to 1,640,220,539.70, 2,460,330,809.55 and 491,363,195.70 is: 737,044,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,220,539.70 : 2,460,330,809.55 = 491,363,195.70 : x
  2. Step 2: Convert to fraction form
    1,640,220,539.70/2,460,330,809.55 = 491,363,195.70/x
  3. Step 3: Cross multiply
    1,640,220,539.70x = 2,460,330,809.55 × 491,363,195.70
  4. Step 4: Simplify right side
    1,640,220,539.70x = 1,208,916,009,059,656,192
  5. Step 5: Solve for x
    x = 1,208,916,009,059,656,192/1,640,220,539.70
  6. Step 6: Final answer
    x = 737,044,793.55

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Half scale
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Double scale
Find fourth proportional to 1,640,220,540.70, 2,460,330,811.05 and 491,363,196.70
Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.