Home / 545,930,423.82-753,383,929.23-298,412,766.54

Finding the Fourth Proportional to 545,930,423.82, 753,383,929.23 and 298,412,766.54

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Solution

The fourth proportional to 545,930,423.82, 753,383,929.23 and 298,412,766.54 is: 411,809,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,930,423.82 : 753,383,929.23 = 298,412,766.54 : x
  2. Step 2: Convert to fraction form
    545,930,423.82/753,383,929.23 = 298,412,766.54/x
  3. Step 3: Cross multiply
    545,930,423.82x = 753,383,929.23 × 298,412,766.54
  4. Step 4: Simplify right side
    545,930,423.82x = 224,819,382,588,299,904
  5. Step 5: Solve for x
    x = 224,819,382,588,299,904/545,930,423.82
  6. Step 6: Final answer
    x = 411,809,587.41

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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.