Home / 1,294,510,015.25-1,786,909,625.37-848,502,120.90

Finding the Fourth Proportional to 1,294,510,015.25, 1,786,909,625.37 and 848,502,120.90

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Solution

The fourth proportional to 1,294,510,015.25, 1,786,909,625.37 and 848,502,120.90 is: 1,171,251,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,510,015.25 : 1,786,909,625.37 = 848,502,120.90 : x
  2. Step 2: Convert to fraction form
    1,294,510,015.25/1,786,909,625.37 = 848,502,120.90/x
  3. Step 3: Cross multiply
    1,294,510,015.25x = 1,786,909,625.37 × 848,502,120.90
  4. Step 4: Simplify right side
    1,294,510,015.25x = 1,516,196,606,978,827,008
  5. Step 5: Solve for x
    x = 1,516,196,606,978,827,008/1,294,510,015.25
  6. Step 6: Final answer
    x = 1,171,251,353.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.