Home / 450,167,254.38-621,217,468.80-249,233,084.28

Finding the Fourth Proportional to 450,167,254.38, 621,217,468.80 and 249,233,084.28

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Solution

The fourth proportional to 450,167,254.38, 621,217,468.80 and 249,233,084.28 is: 343,934,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,167,254.38 : 621,217,468.80 = 249,233,084.28 : x
  2. Step 2: Convert to fraction form
    450,167,254.38/621,217,468.80 = 249,233,084.28/x
  3. Step 3: Cross multiply
    450,167,254.38x = 621,217,468.80 × 249,233,084.28
  4. Step 4: Simplify right side
    450,167,254.38x = 154,827,945,757,638,656
  5. Step 5: Solve for x
    x = 154,827,945,757,638,656/450,167,254.38
  6. Step 6: Final answer
    x = 343,934,269.43

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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.