Home / 648,255,074.49-894,257,236.67-439,339,770.81

Finding the Fourth Proportional to 648,255,074.49, 894,257,236.67 and 439,339,770.81

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Solution

The fourth proportional to 648,255,074.49, 894,257,236.67 and 439,339,770.81 is: 606,062,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,255,074.49 : 894,257,236.67 = 439,339,770.81 : x
  2. Step 2: Convert to fraction form
    648,255,074.49/894,257,236.67 = 439,339,770.81/x
  3. Step 3: Cross multiply
    648,255,074.49x = 894,257,236.67 × 439,339,770.81
  4. Step 4: Simplify right side
    648,255,074.49x = 392,882,769,401,585,024
  5. Step 5: Solve for x
    x = 392,882,769,401,585,024/648,255,074.49
  6. Step 6: Final answer
    x = 606,062,003.77

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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.