Home / 1,067,648,015.20-1,601,472,022.80-657,373,813.60

Finding the Fourth Proportional to 1,067,648,015.20, 1,601,472,022.80 and 657,373,813.60

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Solution

The fourth proportional to 1,067,648,015.20, 1,601,472,022.80 and 657,373,813.60 is: 986,060,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,648,015.20 : 1,601,472,022.80 = 657,373,813.60 : x
  2. Step 2: Convert to fraction form
    1,067,648,015.20/1,601,472,022.80 = 657,373,813.60/x
  3. Step 3: Cross multiply
    1,067,648,015.20x = 1,601,472,022.80 × 657,373,813.60
  4. Step 4: Simplify right side
    1,067,648,015.20x = 1,052,765,771,001,742,208
  5. Step 5: Solve for x
    x = 1,052,765,771,001,742,208/1,067,648,015.20
  6. Step 6: Final answer
    x = 986,060,720.40

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Half scale
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Double scale
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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.