Home / 421,021,144.35-580,979,684.21-244,796,637.38

Finding the Fourth Proportional to 421,021,144.35, 580,979,684.21 and 244,796,637.38

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Solution

The fourth proportional to 421,021,144.35, 580,979,684.21 and 244,796,637.38 is: 337,802,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,021,144.35 : 580,979,684.21 = 244,796,637.38 : x
  2. Step 2: Convert to fraction form
    421,021,144.35/580,979,684.21 = 244,796,637.38/x
  3. Step 3: Cross multiply
    421,021,144.35x = 580,979,684.21 × 244,796,637.38
  4. Step 4: Simplify right side
    421,021,144.35x = 142,221,873,076,573,408
  5. Step 5: Solve for x
    x = 142,221,873,076,573,408/421,021,144.35
  6. Step 6: Final answer
    x = 337,802,210.14

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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.