Home / 385,397,241.54-578,003,299.59-177,936,323.40

Finding the Fourth Proportional to 385,397,241.54, 578,003,299.59 and 177,936,323.40

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Solution

The fourth proportional to 385,397,241.54, 578,003,299.59 and 177,936,323.40 is: 266,861,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,397,241.54 : 578,003,299.59 = 177,936,323.40 : x
  2. Step 2: Convert to fraction form
    385,397,241.54/578,003,299.59 = 177,936,323.40/x
  3. Step 3: Cross multiply
    385,397,241.54x = 578,003,299.59 × 177,936,323.40
  4. Step 4: Simplify right side
    385,397,241.54x = 102,847,782,042,113,344
  5. Step 5: Solve for x
    x = 102,847,782,042,113,344/385,397,241.54
  6. Step 6: Final answer
    x = 266,861,749.27

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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.