Home / 852,800,725.46-1,275,508,236.63-502,211,090.78

Finding the Fourth Proportional to 852,800,725.46, 1,275,508,236.63 and 502,211,090.78

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Solution

The fourth proportional to 852,800,725.46, 1,275,508,236.63 and 502,211,090.78 is: 751,141,929.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,800,725.46 : 1,275,508,236.63 = 502,211,090.78 : x
  2. Step 2: Convert to fraction form
    852,800,725.46/1,275,508,236.63 = 502,211,090.78/x
  3. Step 3: Cross multiply
    852,800,725.46x = 1,275,508,236.63 × 502,211,090.78
  4. Step 4: Simplify right side
    852,800,725.46x = 640,574,382,816,826,624
  5. Step 5: Solve for x
    x = 640,574,382,816,826,624/852,800,725.46
  6. Step 6: Final answer
    x = 751,141,929.99

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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.