Home / 797,337,742.20-1,195,770,683.70-312,384,449.40

Finding the Fourth Proportional to 797,337,742.20, 1,195,770,683.70 and 312,384,449.40

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Solution

The fourth proportional to 797,337,742.20, 1,195,770,683.70 and 312,384,449.40 is: 468,484,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,337,742.20 : 1,195,770,683.70 = 312,384,449.40 : x
  2. Step 2: Convert to fraction form
    797,337,742.20/1,195,770,683.70 = 312,384,449.40/x
  3. Step 3: Cross multiply
    797,337,742.20x = 1,195,770,683.70 × 312,384,449.40
  4. Step 4: Simplify right side
    797,337,742.20x = 373,540,166,636,286,016
  5. Step 5: Solve for x
    x = 373,540,166,636,286,016/797,337,742.20
  6. Step 6: Final answer
    x = 468,484,240.57

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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.