Home / 368,227,061.48-508,165,208.88-209,453,077.64

Finding the Fourth Proportional to 368,227,061.48, 508,165,208.88 and 209,453,077.64

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Solution

The fourth proportional to 368,227,061.48, 508,165,208.88 and 209,453,077.64 is: 289,051,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,227,061.48 : 508,165,208.88 = 209,453,077.64 : x
  2. Step 2: Convert to fraction form
    368,227,061.48/508,165,208.88 = 209,453,077.64/x
  3. Step 3: Cross multiply
    368,227,061.48x = 508,165,208.88 × 209,453,077.64
  4. Step 4: Simplify right side
    368,227,061.48x = 106,436,766,949,489,456
  5. Step 5: Solve for x
    x = 106,436,766,949,489,456/368,227,061.48
  6. Step 6: Final answer
    x = 289,051,995.59

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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.