Home / 410,627,394.48-613,686,688.80-300,195,542.97

Finding the Fourth Proportional to 410,627,394.48, 613,686,688.80 and 300,195,542.97

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Solution

The fourth proportional to 410,627,394.48, 613,686,688.80 and 300,195,542.97 is: 448,645,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,627,394.48 : 613,686,688.80 = 300,195,542.97 : x
  2. Step 2: Convert to fraction form
    410,627,394.48/613,686,688.80 = 300,195,542.97/x
  3. Step 3: Cross multiply
    410,627,394.48x = 613,686,688.80 × 300,195,542.97
  4. Step 4: Simplify right side
    410,627,394.48x = 184,226,008,757,777,408
  5. Step 5: Solve for x
    x = 184,226,008,757,777,408/410,627,394.48
  6. Step 6: Final answer
    x = 448,645,198.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.