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Finding the Fourth Proportional to 615,943,674, 923,958,021.42 and 179,247,975.48

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Solution

The fourth proportional to 615,943,674, 923,958,021.42 and 179,247,975.48 is: 268,884,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,943,674 : 923,958,021.42 = 179,247,975.48 : x
  2. Step 2: Convert to fraction form
    615,943,674/923,958,021.42 = 179,247,975.48/x
  3. Step 3: Cross multiply
    615,943,674x = 923,958,021.42 × 179,247,975.48
  4. Step 4: Simplify right side
    615,943,674x = 165,617,604,768,041,472
  5. Step 5: Solve for x
    x = 165,617,604,768,041,472/615,943,674
  6. Step 6: Final answer
    x = 268,884,334.33

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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.