Home / 425,745,559.20-637,423,945.20-413,801,623.20

Finding the Fourth Proportional to 425,745,559.20, 637,423,945.20 and 413,801,623.20

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Solution

The fourth proportional to 425,745,559.20, 637,423,945.20 and 413,801,623.20 is: 619,541,548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,745,559.20 : 637,423,945.20 = 413,801,623.20 : x
  2. Step 2: Convert to fraction form
    425,745,559.20/637,423,945.20 = 413,801,623.20/x
  3. Step 3: Cross multiply
    425,745,559.20x = 637,423,945.20 × 413,801,623.20
  4. Step 4: Simplify right side
    425,745,559.20x = 263,767,063,190,307,872
  5. Step 5: Solve for x
    x = 263,767,063,190,307,872/425,745,559.20
  6. Step 6: Final answer
    x = 619,541,548.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.