Home / 345,134,208-475,969,768.16-269,790,489.84

Finding the Fourth Proportional to 345,134,208, 475,969,768.16 and 269,790,489.84

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Solution

The fourth proportional to 345,134,208, 475,969,768.16 and 269,790,489.84 is: 372,064,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,134,208 : 475,969,768.16 = 269,790,489.84 : x
  2. Step 2: Convert to fraction form
    345,134,208/475,969,768.16 = 269,790,489.84/x
  3. Step 3: Cross multiply
    345,134,208x = 475,969,768.16 × 269,790,489.84
  4. Step 4: Simplify right side
    345,134,208x = 128,412,116,900,917,632
  5. Step 5: Solve for x
    x = 128,412,116,900,917,632/345,134,208
  6. Step 6: Final answer
    x = 372,064,298.25

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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.