Home / 1,067,325,898.32-1,472,700,266.76-670,619,031.12

Finding the Fourth Proportional to 1,067,325,898.32, 1,472,700,266.76 and 670,619,031.12

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Solution

The fourth proportional to 1,067,325,898.32, 1,472,700,266.76 and 670,619,031.12 is: 925,322,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,325,898.32 : 1,472,700,266.76 = 670,619,031.12 : x
  2. Step 2: Convert to fraction form
    1,067,325,898.32/1,472,700,266.76 = 670,619,031.12/x
  3. Step 3: Cross multiply
    1,067,325,898.32x = 1,472,700,266.76 × 670,619,031.12
  4. Step 4: Simplify right side
    1,067,325,898.32x = 987,620,826,024,756,736
  5. Step 5: Solve for x
    x = 987,620,826,024,756,736/1,067,325,898.32
  6. Step 6: Final answer
    x = 925,322,647.54

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Double scale
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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.