Home / 745,161,352,538.20-1,029,170,906,795.70-500,866,694,319.45

Finding the Fourth Proportional to 745,161,352,538.20, 1,029,170,906,795.70 and 500,866,694,319.45

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Solution

The fourth proportional to 745,161,352,538.20, 1,029,170,906,795.70 and 500,866,694,319.45 is: 691,766,190,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,161,352,538.20 : 1,029,170,906,795.70 = 500,866,694,319.45 : x
  2. Step 2: Convert to fraction form
    745,161,352,538.20/1,029,170,906,795.70 = 500,866,694,319.45/x
  3. Step 3: Cross multiply
    745,161,352,538.20x = 1,029,170,906,795.70 × 500,866,694,319.45
  4. Step 4: Simplify right side
    745,161,352,538.20x = 515,477,429,976,512,994,476,032
  5. Step 5: Solve for x
    x = 515,477,429,976,512,994,476,032/745,161,352,538.20
  6. Step 6: Final answer
    x = 691,766,190,262.92

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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.