Home / 2,659,403,969.20-3,989,105,953.80-1,557,407,911.60

Finding the Fourth Proportional to 2,659,403,969.20, 3,989,105,953.80 and 1,557,407,911.60

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Solution

The fourth proportional to 2,659,403,969.20, 3,989,105,953.80 and 1,557,407,911.60 is: 2,336,111,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,403,969.20 : 3,989,105,953.80 = 1,557,407,911.60 : x
  2. Step 2: Convert to fraction form
    2,659,403,969.20/3,989,105,953.80 = 1,557,407,911.60/x
  3. Step 3: Cross multiply
    2,659,403,969.20x = 3,989,105,953.80 × 1,557,407,911.60
  4. Step 4: Simplify right side
    2,659,403,969.20x = 6,212,665,172,658,784,256
  5. Step 5: Solve for x
    x = 6,212,665,172,658,784,256/2,659,403,969.20
  6. Step 6: Final answer
    x = 2,336,111,867.40

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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.