Home / 630,568,540.10-870,211,021.73-362,644,581.77

Finding the Fourth Proportional to 630,568,540.10, 870,211,021.73 and 362,644,581.77

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Solution

The fourth proportional to 630,568,540.10, 870,211,021.73 and 362,644,581.77 is: 500,464,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,568,540.10 : 870,211,021.73 = 362,644,581.77 : x
  2. Step 2: Convert to fraction form
    630,568,540.10/870,211,021.73 = 362,644,581.77/x
  3. Step 3: Cross multiply
    630,568,540.10x = 870,211,021.73 × 362,644,581.77
  4. Step 4: Simplify right side
    630,568,540.10x = 315,577,312,028,918,592
  5. Step 5: Solve for x
    x = 315,577,312,028,918,592/630,568,540.10
  6. Step 6: Final answer
    x = 500,464,726.61

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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.