Home / 466,939,408.20-699,401,342.70-386,317,840.20

Finding the Fourth Proportional to 466,939,408.20, 699,401,342.70 and 386,317,840.20

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Solution

The fourth proportional to 466,939,408.20, 699,401,342.70 and 386,317,840.20 is: 578,642,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,939,408.20 : 699,401,342.70 = 386,317,840.20 : x
  2. Step 2: Convert to fraction form
    466,939,408.20/699,401,342.70 = 386,317,840.20/x
  3. Step 3: Cross multiply
    466,939,408.20x = 699,401,342.70 × 386,317,840.20
  4. Step 4: Simplify right side
    466,939,408.20x = 270,191,216,144,844,032
  5. Step 5: Solve for x
    x = 270,191,216,144,844,032/466,939,408.20
  6. Step 6: Final answer
    x = 578,642,991.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.