Home / 420,331,720.19-580,093,628.63-234,728,592.35

Finding the Fourth Proportional to 420,331,720.19, 580,093,628.63 and 234,728,592.35

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Solution

The fourth proportional to 420,331,720.19, 580,093,628.63 and 234,728,592.35 is: 323,945,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,331,720.19 : 580,093,628.63 = 234,728,592.35 : x
  2. Step 2: Convert to fraction form
    420,331,720.19/580,093,628.63 = 234,728,592.35/x
  3. Step 3: Cross multiply
    420,331,720.19x = 580,093,628.63 × 234,728,592.35
  4. Step 4: Simplify right side
    420,331,720.19x = 136,164,560,875,449,440
  5. Step 5: Solve for x
    x = 136,164,560,875,449,440/420,331,720.19
  6. Step 6: Final answer
    x = 323,945,480.05

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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.