Home / 338,125,153,375.72-507,326,757,662.94-149,371,430,147.56

Finding the Fourth Proportional to 338,125,153,375.72, 507,326,757,662.94 and 149,371,430,147.56

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Solution

The fourth proportional to 338,125,153,375.72, 507,326,757,662.94 and 149,371,430,147.56 is: 224,118,562,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,125,153,375.72 : 507,326,757,662.94 = 149,371,430,147.56 : x
  2. Step 2: Convert to fraction form
    338,125,153,375.72/507,326,757,662.94 = 149,371,430,147.56/x
  3. Step 3: Cross multiply
    338,125,153,375.72x = 507,326,757,662.94 × 149,371,430,147.56
  4. Step 4: Simplify right side
    338,125,153,375.72x = 75,780,123,344,237,938,868,224
  5. Step 5: Solve for x
    x = 75,780,123,344,237,938,868,224/338,125,153,375.72
  6. Step 6: Final answer
    x = 224,118,562,572.69

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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.