Home / 447,857,809.41-618,046,645.94-249,631,873.37

Finding the Fourth Proportional to 447,857,809.41, 618,046,645.94 and 249,631,873.37

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Solution

The fourth proportional to 447,857,809.41, 618,046,645.94 and 249,631,873.37 is: 344,493,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,857,809.41 : 618,046,645.94 = 249,631,873.37 : x
  2. Step 2: Convert to fraction form
    447,857,809.41/618,046,645.94 = 249,631,873.37/x
  3. Step 3: Cross multiply
    447,857,809.41x = 618,046,645.94 × 249,631,873.37
  4. Step 4: Simplify right side
    447,857,809.41x = 154,284,142,057,110,112
  5. Step 5: Solve for x
    x = 154,284,142,057,110,112/447,857,809.41
  6. Step 6: Final answer
    x = 344,493,584.38

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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.