Home / 724,629,420,846.24-999,991,631,725.22-399,461,575,184.98

Finding the Fourth Proportional to 724,629,420,846.24, 999,991,631,725.22 and 399,461,575,184.98

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Solution

The fourth proportional to 724,629,420,846.24, 999,991,631,725.22 and 399,461,575,184.98 is: 551,258,644,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,629,420,846.24 : 999,991,631,725.22 = 399,461,575,184.98 : x
  2. Step 2: Convert to fraction form
    724,629,420,846.24/999,991,631,725.22 = 399,461,575,184.98/x
  3. Step 3: Cross multiply
    724,629,420,846.24x = 999,991,631,725.22 × 399,461,575,184.98
  4. Step 4: Simplify right side
    724,629,420,846.24x = 399,458,232,380,754,753,486,848
  5. Step 5: Solve for x
    x = 399,458,232,380,754,753,486,848/724,629,420,846.24
  6. Step 6: Final answer
    x = 551,258,644,610.73

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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.