Home / 309,371,199.94-428,056,463.70-269,761,326.80

Finding the Fourth Proportional to 309,371,199.94, 428,056,463.70 and 269,761,326.80

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Solution

The fourth proportional to 309,371,199.94, 428,056,463.70 and 269,761,326.80 is: 373,250,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,371,199.94 : 428,056,463.70 = 269,761,326.80 : x
  2. Step 2: Convert to fraction form
    309,371,199.94/428,056,463.70 = 269,761,326.80/x
  3. Step 3: Cross multiply
    309,371,199.94x = 428,056,463.70 × 269,761,326.80
  4. Step 4: Simplify right side
    309,371,199.94x = 115,473,079,593,293,440
  5. Step 5: Solve for x
    x = 115,473,079,593,293,440/309,371,199.94
  6. Step 6: Final answer
    x = 373,250,902.53

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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.