Home / 492,843,123.20-738,368,889.60-401,472,012.80

Finding the Fourth Proportional to 492,843,123.20, 738,368,889.60 and 401,472,012.80

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Solution

The fourth proportional to 492,843,123.20, 738,368,889.60 and 401,472,012.80 is: 601,478,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,843,123.20 : 738,368,889.60 = 401,472,012.80 : x
  2. Step 2: Convert to fraction form
    492,843,123.20/738,368,889.60 = 401,472,012.80/x
  3. Step 3: Cross multiply
    492,843,123.20x = 738,368,889.60 × 401,472,012.80
  4. Step 4: Simplify right side
    492,843,123.20x = 296,434,444,296,612,992
  5. Step 5: Solve for x
    x = 296,434,444,296,612,992/492,843,123.20
  6. Step 6: Final answer
    x = 601,478,300.79

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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.