Home / 873,802,608.69-1,310,694,944.96-505,102,959.30

Finding the Fourth Proportional to 873,802,608.69, 1,310,694,944.96 and 505,102,959.30

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Solution

The fourth proportional to 873,802,608.69, 1,310,694,944.96 and 505,102,959.30 is: 757,649,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,802,608.69 : 1,310,694,944.96 = 505,102,959.30 : x
  2. Step 2: Convert to fraction form
    873,802,608.69/1,310,694,944.96 = 505,102,959.30/x
  3. Step 3: Cross multiply
    873,802,608.69x = 1,310,694,944.96 × 505,102,959.30
  4. Step 4: Simplify right side
    873,802,608.69x = 662,035,895,436,321,024
  5. Step 5: Solve for x
    x = 662,035,895,436,321,024/873,802,608.69
  6. Step 6: Final answer
    x = 757,649,254.94

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1.5x scale

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.