Home / 1,328,199,749.40-1,993,508,612.28-706,936,559.88

Finding the Fourth Proportional to 1,328,199,749.40, 1,993,508,612.28 and 706,936,559.88

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Solution

The fourth proportional to 1,328,199,749.40, 1,993,508,612.28 and 706,936,559.88 is: 1,061,048,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,199,749.40 : 1,993,508,612.28 = 706,936,559.88 : x
  2. Step 2: Convert to fraction form
    1,328,199,749.40/1,993,508,612.28 = 706,936,559.88/x
  3. Step 3: Cross multiply
    1,328,199,749.40x = 1,993,508,612.28 × 706,936,559.88
  4. Step 4: Simplify right side
    1,328,199,749.40x = 1,409,284,120,456,375,808
  5. Step 5: Solve for x
    x = 1,409,284,120,456,375,808/1,328,199,749.40
  6. Step 6: Final answer
    x = 1,061,048,325.82

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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.