Home / 449,075,390.40-673,613,085.60-219,191,947.20

Finding the Fourth Proportional to 449,075,390.40, 673,613,085.60 and 219,191,947.20

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Solution

The fourth proportional to 449,075,390.40, 673,613,085.60 and 219,191,947.20 is: 328,787,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,075,390.40 : 673,613,085.60 = 219,191,947.20 : x
  2. Step 2: Convert to fraction form
    449,075,390.40/673,613,085.60 = 219,191,947.20/x
  3. Step 3: Cross multiply
    449,075,390.40x = 673,613,085.60 × 219,191,947.20
  4. Step 4: Simplify right side
    449,075,390.40x = 147,650,563,892,064,288
  5. Step 5: Solve for x
    x = 147,650,563,892,064,288/449,075,390.40
  6. Step 6: Final answer
    x = 328,787,920.80

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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.