Home / 826,003,570.40-1,139,850,007.44-449,652,334.04

Finding the Fourth Proportional to 826,003,570.40, 1,139,850,007.44 and 449,652,334.04

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Solution

The fourth proportional to 826,003,570.40, 1,139,850,007.44 and 449,652,334.04 is: 620,501,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,003,570.40 : 1,139,850,007.44 = 449,652,334.04 : x
  2. Step 2: Convert to fraction form
    826,003,570.40/1,139,850,007.44 = 449,652,334.04/x
  3. Step 3: Cross multiply
    826,003,570.40x = 1,139,850,007.44 × 449,652,334.04
  4. Step 4: Simplify right side
    826,003,570.40x = 512,536,216,300,907,392
  5. Step 5: Solve for x
    x = 512,536,216,300,907,392/826,003,570.40
  6. Step 6: Final answer
    x = 620,501,211.70

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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.