Home / 490,088,595.40-735,132,893.10-379,123,714.60

Finding the Fourth Proportional to 490,088,595.40, 735,132,893.10 and 379,123,714.60

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Solution

The fourth proportional to 490,088,595.40, 735,132,893.10 and 379,123,714.60 is: 568,685,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,088,595.40 : 735,132,893.10 = 379,123,714.60 : x
  2. Step 2: Convert to fraction form
    490,088,595.40/735,132,893.10 = 379,123,714.60/x
  3. Step 3: Cross multiply
    490,088,595.40x = 735,132,893.10 × 379,123,714.60
  4. Step 4: Simplify right side
    490,088,595.40x = 278,706,313,156,716,736
  5. Step 5: Solve for x
    x = 278,706,313,156,716,736/490,088,595.40
  6. Step 6: Final answer
    x = 568,685,571.90

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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.