Home / 630,568,540.64-870,211,022.46-362,644,582.31

Finding the Fourth Proportional to 630,568,540.64, 870,211,022.46 and 362,644,582.31

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Solution

The fourth proportional to 630,568,540.64, 870,211,022.46 and 362,644,582.31 is: 500,464,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,568,540.64 : 870,211,022.46 = 362,644,582.31 : x
  2. Step 2: Convert to fraction form
    630,568,540.64/870,211,022.46 = 362,644,582.31/x
  3. Step 3: Cross multiply
    630,568,540.64x = 870,211,022.46 × 362,644,582.31
  4. Step 4: Simplify right side
    630,568,540.64x = 315,577,312,757,213,696
  5. Step 5: Solve for x
    x = 315,577,312,757,213,696/630,568,540.64
  6. Step 6: Final answer
    x = 500,464,727.34

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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.