Home / 1,348,651,990.70-2,022,977,986.05-379,303,606.70

Finding the Fourth Proportional to 1,348,651,990.70, 2,022,977,986.05 and 379,303,606.70

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Solution

The fourth proportional to 1,348,651,990.70, 2,022,977,986.05 and 379,303,606.70 is: 568,955,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,651,990.70 : 2,022,977,986.05 = 379,303,606.70 : x
  2. Step 2: Convert to fraction form
    1,348,651,990.70/2,022,977,986.05 = 379,303,606.70/x
  3. Step 3: Cross multiply
    1,348,651,990.70x = 2,022,977,986.05 × 379,303,606.70
  4. Step 4: Simplify right side
    1,348,651,990.70x = 767,322,846,383,467,264
  5. Step 5: Solve for x
    x = 767,322,846,383,467,264/1,348,651,990.70
  6. Step 6: Final answer
    x = 568,955,410.05

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Half scale
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Double scale
Find fourth proportional to 1,348,651,991.70, 2,022,977,987.55 and 379,303,607.70
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.