Home / 414,072,377.40-620,872,370.10-155,296,039.80

Finding the Fourth Proportional to 414,072,377.40, 620,872,370.10 and 155,296,039.80

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Solution

The fourth proportional to 414,072,377.40, 620,872,370.10 and 155,296,039.80 is: 232,855,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,072,377.40 : 620,872,370.10 = 155,296,039.80 : x
  2. Step 2: Convert to fraction form
    414,072,377.40/620,872,370.10 = 155,296,039.80/x
  3. Step 3: Cross multiply
    414,072,377.40x = 620,872,370.10 × 155,296,039.80
  4. Step 4: Simplify right side
    414,072,377.40x = 96,419,020,297,769,936
  5. Step 5: Solve for x
    x = 96,419,020,297,769,936/414,072,377.40
  6. Step 6: Final answer
    x = 232,855,475.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.