Home / 447,857,813.41-618,046,651.47-249,631,877.38

Finding the Fourth Proportional to 447,857,813.41, 618,046,651.47 and 249,631,877.38

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Solution

The fourth proportional to 447,857,813.41, 618,046,651.47 and 249,631,877.38 is: 344,493,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,857,813.41 : 618,046,651.47 = 249,631,877.38 : x
  2. Step 2: Convert to fraction form
    447,857,813.41/618,046,651.47 = 249,631,877.38/x
  3. Step 3: Cross multiply
    447,857,813.41x = 618,046,651.47 × 249,631,877.38
  4. Step 4: Simplify right side
    447,857,813.41x = 154,284,145,914,878,656
  5. Step 5: Solve for x
    x = 154,284,145,914,878,656/447,857,813.41
  6. Step 6: Final answer
    x = 344,493,589.92

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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.