Home / 648,255,081.24-894,257,245.98-439,339,777.56

Finding the Fourth Proportional to 648,255,081.24, 894,257,245.98 and 439,339,777.56

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Solution

The fourth proportional to 648,255,081.24, 894,257,245.98 and 439,339,777.56 is: 606,062,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,255,081.24 : 894,257,245.98 = 439,339,777.56 : x
  2. Step 2: Convert to fraction form
    648,255,081.24/894,257,245.98 = 439,339,777.56/x
  3. Step 3: Cross multiply
    648,255,081.24x = 894,257,245.98 × 439,339,777.56
  4. Step 4: Simplify right side
    648,255,081.24x = 392,882,779,530,271,424
  5. Step 5: Solve for x
    x = 392,882,779,530,271,424/648,255,081.24
  6. Step 6: Final answer
    x = 606,062,013.09

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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.