Home / 468,313,330.80-702,469,996.20-439,615,516.80

Finding the Fourth Proportional to 468,313,330.80, 702,469,996.20 and 439,615,516.80

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Solution

The fourth proportional to 468,313,330.80, 702,469,996.20 and 439,615,516.80 is: 659,423,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,313,330.80 : 702,469,996.20 = 439,615,516.80 : x
  2. Step 2: Convert to fraction form
    468,313,330.80/702,469,996.20 = 439,615,516.80/x
  3. Step 3: Cross multiply
    468,313,330.80x = 702,469,996.20 × 439,615,516.80
  4. Step 4: Simplify right side
    468,313,330.80x = 308,816,710,415,957,056
  5. Step 5: Solve for x
    x = 308,816,710,415,957,056/468,313,330.80
  6. Step 6: Final answer
    x = 659,423,275.20

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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.