Home / 745,161,352,539.70-1,029,170,906,797.70-500,866,694,320.95

Finding the Fourth Proportional to 745,161,352,539.70, 1,029,170,906,797.70 and 500,866,694,320.95

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Solution

The fourth proportional to 745,161,352,539.70, 1,029,170,906,797.70 and 500,866,694,320.95 is: 691,766,190,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,161,352,539.70 : 1,029,170,906,797.70 = 500,866,694,320.95 : x
  2. Step 2: Convert to fraction form
    745,161,352,539.70/1,029,170,906,797.70 = 500,866,694,320.95/x
  3. Step 3: Cross multiply
    745,161,352,539.70x = 1,029,170,906,797.70 × 500,866,694,320.95
  4. Step 4: Simplify right side
    745,161,352,539.70x = 515,477,429,979,058,500,796,416
  5. Step 5: Solve for x
    x = 515,477,429,979,058,500,796,416/745,161,352,539.70
  6. Step 6: Final answer
    x = 691,766,190,264.94

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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.