Home / 825,890,495.08-1,139,758,958.48-449,528,906.24

Finding the Fourth Proportional to 825,890,495.08, 1,139,758,958.48 and 449,528,906.24

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Solution

The fourth proportional to 825,890,495.08, 1,139,758,958.48 and 449,528,906.24 is: 620,366,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,890,495.08 : 1,139,758,958.48 = 449,528,906.24 : x
  2. Step 2: Convert to fraction form
    825,890,495.08/1,139,758,958.48 = 449,528,906.24/x
  3. Step 3: Cross multiply
    825,890,495.08x = 1,139,758,958.48 × 449,528,906.24
  4. Step 4: Simplify right side
    825,890,495.08x = 512,354,597,982,755,968
  5. Step 5: Solve for x
    x = 512,354,597,982,755,968/825,890,495.08
  6. Step 6: Final answer
    x = 620,366,260.46

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1.5x scale

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.