Home / 994,085,744.50-1,491,343,861.29-380,669,992.12

Finding the Fourth Proportional to 994,085,744.50, 1,491,343,861.29 and 380,669,992.12

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Solution

The fourth proportional to 994,085,744.50, 1,491,343,861.29 and 380,669,992.12 is: 571,087,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,085,744.50 : 1,491,343,861.29 = 380,669,992.12 : x
  2. Step 2: Convert to fraction form
    994,085,744.50/1,491,343,861.29 = 380,669,992.12/x
  3. Step 3: Cross multiply
    994,085,744.50x = 1,491,343,861.29 × 380,669,992.12
  4. Step 4: Simplify right side
    994,085,744.50x = 567,709,855,925,474,688
  5. Step 5: Solve for x
    x = 567,709,855,925,474,688/994,085,744.50
  6. Step 6: Final answer
    x = 571,087,412.80

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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.