Home / 388,439,674.20-582,491,549.70-194,276,064.60

Finding the Fourth Proportional to 388,439,674.20, 582,491,549.70 and 194,276,064.60

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Solution

The fourth proportional to 388,439,674.20, 582,491,549.70 and 194,276,064.60 is: 291,330,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,439,674.20 : 582,491,549.70 = 194,276,064.60 : x
  2. Step 2: Convert to fraction form
    388,439,674.20/582,491,549.70 = 194,276,064.60/x
  3. Step 3: Cross multiply
    388,439,674.20x = 582,491,549.70 × 194,276,064.60
  4. Step 4: Simplify right side
    388,439,674.20x = 113,164,165,938,471,312
  5. Step 5: Solve for x
    x = 113,164,165,938,471,312/388,439,674.20
  6. Step 6: Final answer
    x = 291,330,091.79

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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.