Home / 2,646,893,145.60-3,970,339,718.40-681,742,425.60

Finding the Fourth Proportional to 2,646,893,145.60, 3,970,339,718.40 and 681,742,425.60

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Solution

The fourth proportional to 2,646,893,145.60, 3,970,339,718.40 and 681,742,425.60 is: 1,022,613,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,893,145.60 : 3,970,339,718.40 = 681,742,425.60 : x
  2. Step 2: Convert to fraction form
    2,646,893,145.60/3,970,339,718.40 = 681,742,425.60/x
  3. Step 3: Cross multiply
    2,646,893,145.60x = 3,970,339,718.40 × 681,742,425.60
  4. Step 4: Simplify right side
    2,646,893,145.60x = 2,706,749,030,078,036,992
  5. Step 5: Solve for x
    x = 2,706,749,030,078,036,992/2,646,893,145.60
  6. Step 6: Final answer
    x = 1,022,613,638.40

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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.