Home / 648,255,078.50-894,257,242.18-439,339,774.82

Finding the Fourth Proportional to 648,255,078.50, 894,257,242.18 and 439,339,774.82

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Solution

The fourth proportional to 648,255,078.50, 894,257,242.18 and 439,339,774.82 is: 606,062,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,255,078.50 : 894,257,242.18 = 439,339,774.82 : x
  2. Step 2: Convert to fraction form
    648,255,078.50/894,257,242.18 = 439,339,774.82/x
  3. Step 3: Cross multiply
    648,255,078.50x = 894,257,242.18 × 439,339,774.82
  4. Step 4: Simplify right side
    648,255,078.50x = 392,882,775,410,515,392
  5. Step 5: Solve for x
    x = 392,882,775,410,515,392/648,255,078.50
  6. Step 6: Final answer
    x = 606,062,009.29

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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.