Home / 368,227,062.48-508,165,210.26-209,453,078.64

Finding the Fourth Proportional to 368,227,062.48, 508,165,210.26 and 209,453,078.64

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Solution

The fourth proportional to 368,227,062.48, 508,165,210.26 and 209,453,078.64 is: 289,051,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,227,062.48 : 508,165,210.26 = 209,453,078.64 : x
  2. Step 2: Convert to fraction form
    368,227,062.48/508,165,210.26 = 209,453,078.64/x
  3. Step 3: Cross multiply
    368,227,062.48x = 508,165,210.26 × 209,453,078.64
  4. Step 4: Simplify right side
    368,227,062.48x = 106,436,767,746,699,904
  5. Step 5: Solve for x
    x = 106,436,767,746,699,904/368,227,062.48
  6. Step 6: Final answer
    x = 289,051,996.97

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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.