Home / 449,075,408.40-673,613,112.60-219,191,965.20

Finding the Fourth Proportional to 449,075,408.40, 673,613,112.60 and 219,191,965.20

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Solution

The fourth proportional to 449,075,408.40, 673,613,112.60 and 219,191,965.20 is: 328,787,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,075,408.40 : 673,613,112.60 = 219,191,965.20 : x
  2. Step 2: Convert to fraction form
    449,075,408.40/673,613,112.60 = 219,191,965.20/x
  3. Step 3: Cross multiply
    449,075,408.40x = 673,613,112.60 × 219,191,965.20
  4. Step 4: Simplify right side
    449,075,408.40x = 147,650,581,935,282,880
  5. Step 5: Solve for x
    x = 147,650,581,935,282,880/449,075,408.40
  6. Step 6: Final answer
    x = 328,787,947.80

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1.5x scale

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.