Home / 1,348,651,689.20-2,022,977,533.80-379,303,305.20

Finding the Fourth Proportional to 1,348,651,689.20, 2,022,977,533.80 and 379,303,305.20

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Solution

The fourth proportional to 1,348,651,689.20, 2,022,977,533.80 and 379,303,305.20 is: 568,954,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,651,689.20 : 2,022,977,533.80 = 379,303,305.20 : x
  2. Step 2: Convert to fraction form
    1,348,651,689.20/2,022,977,533.80 = 379,303,305.20/x
  3. Step 3: Cross multiply
    1,348,651,689.20x = 2,022,977,533.80 × 379,303,305.20
  4. Step 4: Simplify right side
    1,348,651,689.20x = 767,322,064,915,684,736
  5. Step 5: Solve for x
    x = 767,322,064,915,684,736/1,348,651,689.20
  6. Step 6: Final answer
    x = 568,954,957.80

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Double scale
Find fourth proportional to 1,348,651,690.20, 2,022,977,535.30 and 379,303,306.20
Similar ratio
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1.5x scale

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.