Home / 449,908,815.48-620,624,073.13-261,715,934.58

Finding the Fourth Proportional to 449,908,815.48, 620,624,073.13 and 261,715,934.58

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Solution

The fourth proportional to 449,908,815.48, 620,624,073.13 and 261,715,934.58 is: 361,022,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,908,815.48 : 620,624,073.13 = 261,715,934.58 : x
  2. Step 2: Convert to fraction form
    449,908,815.48/620,624,073.13 = 261,715,934.58/x
  3. Step 3: Cross multiply
    449,908,815.48x = 620,624,073.13 × 261,715,934.58
  4. Step 4: Simplify right side
    449,908,815.48x = 162,427,209,322,064,224
  5. Step 5: Solve for x
    x = 162,427,209,322,064,224/449,908,815.48
  6. Step 6: Final answer
    x = 361,022,508.86

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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.