Home / 1,008,288,067.80-1,512,432,101.70-599,133,610.20

Finding the Fourth Proportional to 1,008,288,067.80, 1,512,432,101.70 and 599,133,610.20

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Solution

The fourth proportional to 1,008,288,067.80, 1,512,432,101.70 and 599,133,610.20 is: 898,700,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,288,067.80 : 1,512,432,101.70 = 599,133,610.20 : x
  2. Step 2: Convert to fraction form
    1,008,288,067.80/1,512,432,101.70 = 599,133,610.20/x
  3. Step 3: Cross multiply
    1,008,288,067.80x = 1,512,432,101.70 × 599,133,610.20
  4. Step 4: Simplify right side
    1,008,288,067.80x = 906,148,905,273,894,656
  5. Step 5: Solve for x
    x = 906,148,905,273,894,656/1,008,288,067.80
  6. Step 6: Final answer
    x = 898,700,415.30

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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.