Home / 309,371,204.07-428,056,469.40-269,761,330.94

Finding the Fourth Proportional to 309,371,204.07, 428,056,469.40 and 269,761,330.94

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Solution

The fourth proportional to 309,371,204.07, 428,056,469.40 and 269,761,330.94 is: 373,250,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,371,204.07 : 428,056,469.40 = 269,761,330.94 : x
  2. Step 2: Convert to fraction form
    309,371,204.07/428,056,469.40 = 269,761,330.94/x
  3. Step 3: Cross multiply
    309,371,204.07x = 428,056,469.40 × 269,761,330.94
  4. Step 4: Simplify right side
    309,371,204.07x = 115,473,082,900,681,088
  5. Step 5: Solve for x
    x = 115,473,082,900,681,088/309,371,204.07
  6. Step 6: Final answer
    x = 373,250,908.23

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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.