Home / 807,409,456.44-1,114,225,497.72-436,131,489.84

Finding the Fourth Proportional to 807,409,456.44, 1,114,225,497.72 and 436,131,489.84

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Solution

The fourth proportional to 807,409,456.44, 1,114,225,497.72 and 436,131,489.84 is: 601,861,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,409,456.44 : 1,114,225,497.72 = 436,131,489.84 : x
  2. Step 2: Convert to fraction form
    807,409,456.44/1,114,225,497.72 = 436,131,489.84/x
  3. Step 3: Cross multiply
    807,409,456.44x = 1,114,225,497.72 × 436,131,489.84
  4. Step 4: Simplify right side
    807,409,456.44x = 485,948,826,338,339,136
  5. Step 5: Solve for x
    x = 485,948,826,338,339,136/807,409,456.44
  6. Step 6: Final answer
    x = 601,861,697.88

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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.