Home / 394,399,495,761.79-591,981,800,967.90-190,336,290,379.29

Finding the Fourth Proportional to 394,399,495,761.79, 591,981,800,967.90 and 190,336,290,379.29

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Solution

The fourth proportional to 394,399,495,761.79, 591,981,800,967.90 and 190,336,290,379.29 is: 285,689,056,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,399,495,761.79 : 591,981,800,967.90 = 190,336,290,379.29 : x
  2. Step 2: Convert to fraction form
    394,399,495,761.79/591,981,800,967.90 = 190,336,290,379.29/x
  3. Step 3: Cross multiply
    394,399,495,761.79x = 591,981,800,967.90 × 190,336,290,379.29
  4. Step 4: Simplify right side
    394,399,495,761.79x = 112,675,619,968,281,290,473,472
  5. Step 5: Solve for x
    x = 112,675,619,968,281,290,473,472/394,399,495,761.79
  6. Step 6: Final answer
    x = 285,689,056,855.02

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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.