Home / 449,092,643.76-620,354,433.78-338,420,054.52

Finding the Fourth Proportional to 449,092,643.76, 620,354,433.78 and 338,420,054.52

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Solution

The fourth proportional to 449,092,643.76, 620,354,433.78 and 338,420,054.52 is: 467,476,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,092,643.76 : 620,354,433.78 = 338,420,054.52 : x
  2. Step 2: Convert to fraction form
    449,092,643.76/620,354,433.78 = 338,420,054.52/x
  3. Step 3: Cross multiply
    449,092,643.76x = 620,354,433.78 × 338,420,054.52
  4. Step 4: Simplify right side
    449,092,643.76x = 209,940,381,301,551,296
  5. Step 5: Solve for x
    x = 209,940,381,301,551,296/449,092,643.76
  6. Step 6: Final answer
    x = 467,476,776.16

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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.