Home / 420,331,758.23-580,093,681.11-234,728,630.39

Finding the Fourth Proportional to 420,331,758.23, 580,093,681.11 and 234,728,630.39

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Solution

The fourth proportional to 420,331,758.23, 580,093,681.11 and 234,728,630.39 is: 323,945,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,331,758.23 : 580,093,681.11 = 234,728,630.39 : x
  2. Step 2: Convert to fraction form
    420,331,758.23/580,093,681.11 = 234,728,630.39/x
  3. Step 3: Cross multiply
    420,331,758.23x = 580,093,681.11 × 234,728,630.39
  4. Step 4: Simplify right side
    420,331,758.23x = 136,164,595,264,843,712
  5. Step 5: Solve for x
    x = 136,164,595,264,843,712/420,331,758.23
  6. Step 6: Final answer
    x = 323,945,532.54

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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.