Home / 2,579,751,246.30-3,869,626,869.45-856,465,230.30

Finding the Fourth Proportional to 2,579,751,246.30, 3,869,626,869.45 and 856,465,230.30

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Solution

The fourth proportional to 2,579,751,246.30, 3,869,626,869.45 and 856,465,230.30 is: 1,284,697,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,751,246.30 : 3,869,626,869.45 = 856,465,230.30 : x
  2. Step 2: Convert to fraction form
    2,579,751,246.30/3,869,626,869.45 = 856,465,230.30/x
  3. Step 3: Cross multiply
    2,579,751,246.30x = 3,869,626,869.45 × 856,465,230.30
  4. Step 4: Simplify right side
    2,579,751,246.30x = 3,314,200,867,918,561,792
  5. Step 5: Solve for x
    x = 3,314,200,867,918,561,792/2,579,751,246.30
  6. Step 6: Final answer
    x = 1,284,697,845.45

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Double scale
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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.