Home / 1,259,004,968.10-1,888,507,452.15-800,973,684.90

Finding the Fourth Proportional to 1,259,004,968.10, 1,888,507,452.15 and 800,973,684.90

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Solution

The fourth proportional to 1,259,004,968.10, 1,888,507,452.15 and 800,973,684.90 is: 1,201,460,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,004,968.10 : 1,888,507,452.15 = 800,973,684.90 : x
  2. Step 2: Convert to fraction form
    1,259,004,968.10/1,888,507,452.15 = 800,973,684.90/x
  3. Step 3: Cross multiply
    1,259,004,968.10x = 1,888,507,452.15 × 800,973,684.90
  4. Step 4: Simplify right side
    1,259,004,968.10x = 1,512,644,772,909,696,000
  5. Step 5: Solve for x
    x = 1,512,644,772,909,696,000/1,259,004,968.10
  6. Step 6: Final answer
    x = 1,201,460,527.35

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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.