Home / 492,732,509.67-679,971,076.20-269,715,463.25

Finding the Fourth Proportional to 492,732,509.67, 679,971,076.20 and 269,715,463.25

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Solution

The fourth proportional to 492,732,509.67, 679,971,076.20 and 269,715,463.25 is: 372,207,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,732,509.67 : 679,971,076.20 = 269,715,463.25 : x
  2. Step 2: Convert to fraction form
    492,732,509.67/679,971,076.20 = 269,715,463.25/x
  3. Step 3: Cross multiply
    492,732,509.67x = 679,971,076.20 × 269,715,463.25
  4. Step 4: Simplify right side
    492,732,509.67x = 183,398,713,810,484,224
  5. Step 5: Solve for x
    x = 183,398,713,810,484,224/492,732,509.67
  6. Step 6: Final answer
    x = 372,207,455.79

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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.