Home / 2,588,928,892.20-3,883,393,338.30-865,642,876.20

Finding the Fourth Proportional to 2,588,928,892.20, 3,883,393,338.30 and 865,642,876.20

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Solution

The fourth proportional to 2,588,928,892.20, 3,883,393,338.30 and 865,642,876.20 is: 1,298,464,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,928,892.20 : 3,883,393,338.30 = 865,642,876.20 : x
  2. Step 2: Convert to fraction form
    2,588,928,892.20/3,883,393,338.30 = 865,642,876.20/x
  3. Step 3: Cross multiply
    2,588,928,892.20x = 3,883,393,338.30 × 865,642,876.20
  4. Step 4: Simplify right side
    2,588,928,892.20x = 3,361,631,778,781,932,032
  5. Step 5: Solve for x
    x = 3,361,631,778,781,932,032/2,588,928,892.20
  6. Step 6: Final answer
    x = 1,298,464,314.30

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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.