Home / 1,008,102,021.60-1,512,153,032.40-804,028,677.60

Finding the Fourth Proportional to 1,008,102,021.60, 1,512,153,032.40 and 804,028,677.60

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Solution

The fourth proportional to 1,008,102,021.60, 1,512,153,032.40 and 804,028,677.60 is: 1,206,043,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,102,021.60 : 1,512,153,032.40 = 804,028,677.60 : x
  2. Step 2: Convert to fraction form
    1,008,102,021.60/1,512,153,032.40 = 804,028,677.60/x
  3. Step 3: Cross multiply
    1,008,102,021.60x = 1,512,153,032.40 × 804,028,677.60
  4. Step 4: Simplify right side
    1,008,102,021.60x = 1,215,814,402,969,402,112
  5. Step 5: Solve for x
    x = 1,215,814,402,969,402,112/1,008,102,021.60
  6. Step 6: Final answer
    x = 1,206,043,016.40

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Double scale
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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.