Home / 516,976,564.50-713,330,086.46-308,152,137.96

Finding the Fourth Proportional to 516,976,564.50, 713,330,086.46 and 308,152,137.96

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Solution

The fourth proportional to 516,976,564.50, 713,330,086.46 and 308,152,137.96 is: 425,191,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,976,564.50 : 713,330,086.46 = 308,152,137.96 : x
  2. Step 2: Convert to fraction form
    516,976,564.50/713,330,086.46 = 308,152,137.96/x
  3. Step 3: Cross multiply
    516,976,564.50x = 713,330,086.46 × 308,152,137.96
  4. Step 4: Simplify right side
    516,976,564.50x = 219,814,191,212,299,872
  5. Step 5: Solve for x
    x = 219,814,191,212,299,872/516,976,564.50
  6. Step 6: Final answer
    x = 425,191,790.71

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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.