Home / 357,032,672.67-492,678,072.34-200,369,512.49

Finding the Fourth Proportional to 357,032,672.67, 492,678,072.34 and 200,369,512.49

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Solution

The fourth proportional to 357,032,672.67, 492,678,072.34 and 200,369,512.49 is: 276,494,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,032,672.67 : 492,678,072.34 = 200,369,512.49 : x
  2. Step 2: Convert to fraction form
    357,032,672.67/492,678,072.34 = 200,369,512.49/x
  3. Step 3: Cross multiply
    357,032,672.67x = 492,678,072.34 × 200,369,512.49
  4. Step 4: Simplify right side
    357,032,672.67x = 98,717,665,166,318,448
  5. Step 5: Solve for x
    x = 98,717,665,166,318,448/357,032,672.67
  6. Step 6: Final answer
    x = 276,494,765.67

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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.