Home / 745,161,352,536.70-1,029,170,906,793.60-500,866,694,317.95

Finding the Fourth Proportional to 745,161,352,536.70, 1,029,170,906,793.60 and 500,866,694,317.95

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Solution

The fourth proportional to 745,161,352,536.70, 1,029,170,906,793.60 and 500,866,694,317.95 is: 691,766,190,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,161,352,536.70 : 1,029,170,906,793.60 = 500,866,694,317.95 : x
  2. Step 2: Convert to fraction form
    745,161,352,536.70/1,029,170,906,793.60 = 500,866,694,317.95/x
  3. Step 3: Cross multiply
    745,161,352,536.70x = 1,029,170,906,793.60 × 500,866,694,317.95
  4. Step 4: Simplify right side
    745,161,352,536.70x = 515,477,429,973,917,492,051,968
  5. Step 5: Solve for x
    x = 515,477,429,973,917,492,051,968/745,161,352,536.70
  6. Step 6: Final answer
    x = 691,766,190,260.83

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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.