Home / 443,686,835.25-612,305,861.04-245,444,912.15

Finding the Fourth Proportional to 443,686,835.25, 612,305,861.04 and 245,444,912.15

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Solution

The fourth proportional to 443,686,835.25, 612,305,861.04 and 245,444,912.15 is: 338,723,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,686,835.25 : 612,305,861.04 = 245,444,912.15 : x
  2. Step 2: Convert to fraction form
    443,686,835.25/612,305,861.04 = 245,444,912.15/x
  3. Step 3: Cross multiply
    443,686,835.25x = 612,305,861.04 × 245,444,912.15
  4. Step 4: Simplify right side
    443,686,835.25x = 150,287,358,272,959,776
  5. Step 5: Solve for x
    x = 150,287,358,272,959,776/443,686,835.25
  6. Step 6: Final answer
    x = 338,723,951.97

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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.