Home / 447,970,910.74-618,168,289.13-249,723,636.33

Finding the Fourth Proportional to 447,970,910.74, 618,168,289.13 and 249,723,636.33

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Solution

The fourth proportional to 447,970,910.74, 618,168,289.13 and 249,723,636.33 is: 344,601,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,970,910.74 : 618,168,289.13 = 249,723,636.33 : x
  2. Step 2: Convert to fraction form
    447,970,910.74/618,168,289.13 = 249,723,636.33/x
  3. Step 3: Cross multiply
    447,970,910.74x = 618,168,289.13 × 249,723,636.33
  4. Step 4: Simplify right side
    447,970,910.74x = 154,371,233,025,438,432
  5. Step 5: Solve for x
    x = 154,371,233,025,438,432/447,970,910.74
  6. Step 6: Final answer
    x = 344,601,020.57

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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.