Home / 1,640,220,538.20-2,460,330,807.30-491,363,194.20

Finding the Fourth Proportional to 1,640,220,538.20, 2,460,330,807.30 and 491,363,194.20

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Solution

The fourth proportional to 1,640,220,538.20, 2,460,330,807.30 and 491,363,194.20 is: 737,044,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,220,538.20 : 2,460,330,807.30 = 491,363,194.20 : x
  2. Step 2: Convert to fraction form
    1,640,220,538.20/2,460,330,807.30 = 491,363,194.20/x
  3. Step 3: Cross multiply
    1,640,220,538.20x = 2,460,330,807.30 × 491,363,194.20
  4. Step 4: Simplify right side
    1,640,220,538.20x = 1,208,916,004,263,592,704
  5. Step 5: Solve for x
    x = 1,208,916,004,263,592,704/1,640,220,538.20
  6. Step 6: Final answer
    x = 737,044,791.30

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Double scale
Find fourth proportional to 1,640,220,539.20, 2,460,330,808.80 and 491,363,195.20
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.