Home / 456,275,259.09-629,660,189.39-247,431,348.81

Finding the Fourth Proportional to 456,275,259.09, 629,660,189.39 and 247,431,348.81

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Solution

The fourth proportional to 456,275,259.09, 629,660,189.39 and 247,431,348.81 is: 341,455,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,275,259.09 : 629,660,189.39 = 247,431,348.81 : x
  2. Step 2: Convert to fraction form
    456,275,259.09/629,660,189.39 = 247,431,348.81/x
  3. Step 3: Cross multiply
    456,275,259.09x = 629,660,189.39 × 247,431,348.81
  4. Step 4: Simplify right side
    456,275,259.09x = 155,797,669,951,490,592
  5. Step 5: Solve for x
    x = 155,797,669,951,490,592/456,275,259.09
  6. Step 6: Final answer
    x = 341,455,441.31

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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.