Home / 490,158,138.60-735,237,207.90-452,744,692.20

Finding the Fourth Proportional to 490,158,138.60, 735,237,207.90 and 452,744,692.20

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Solution

The fourth proportional to 490,158,138.60, 735,237,207.90 and 452,744,692.20 is: 679,117,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,158,138.60 : 735,237,207.90 = 452,744,692.20 : x
  2. Step 2: Convert to fraction form
    490,158,138.60/735,237,207.90 = 452,744,692.20/x
  3. Step 3: Cross multiply
    490,158,138.60x = 735,237,207.90 × 452,744,692.20
  4. Step 4: Simplify right side
    490,158,138.60x = 332,874,743,384,672,896
  5. Step 5: Solve for x
    x = 332,874,743,384,672,896/490,158,138.60
  6. Step 6: Final answer
    x = 679,117,038.30

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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.