Home / 449,651,764.28-620,329,424.46-301,020,765.68

Finding the Fourth Proportional to 449,651,764.28, 620,329,424.46 and 301,020,765.68

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Solution

The fourth proportional to 449,651,764.28, 620,329,424.46 and 301,020,765.68 is: 415,281,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,651,764.28 : 620,329,424.46 = 301,020,765.68 : x
  2. Step 2: Convert to fraction form
    449,651,764.28/620,329,424.46 = 301,020,765.68/x
  3. Step 3: Cross multiply
    449,651,764.28x = 620,329,424.46 × 301,020,765.68
  4. Step 4: Simplify right side
    449,651,764.28x = 186,732,038,324,782,944
  5. Step 5: Solve for x
    x = 186,732,038,324,782,944/449,651,764.28
  6. Step 6: Final answer
    x = 415,281,453.69

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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.