Home / 816,048,082.60-1,224,072,123.90-489,530,732.20

Finding the Fourth Proportional to 816,048,082.60, 1,224,072,123.90 and 489,530,732.20

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Solution

The fourth proportional to 816,048,082.60, 1,224,072,123.90 and 489,530,732.20 is: 734,296,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,048,082.60 : 1,224,072,123.90 = 489,530,732.20 : x
  2. Step 2: Convert to fraction form
    816,048,082.60/1,224,072,123.90 = 489,530,732.20/x
  3. Step 3: Cross multiply
    816,048,082.60x = 1,224,072,123.90 × 489,530,732.20
  4. Step 4: Simplify right side
    816,048,082.60x = 599,220,923,078,376,192
  5. Step 5: Solve for x
    x = 599,220,923,078,376,192/816,048,082.60
  6. Step 6: Final answer
    x = 734,296,098.30

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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.