Home / 664,605,432.86-997,080,514.70-353,457,190.11

Finding the Fourth Proportional to 664,605,432.86, 997,080,514.70 and 353,457,190.11

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Solution

The fourth proportional to 664,605,432.86, 997,080,514.70 and 353,457,190.11 is: 530,277,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,605,432.86 : 997,080,514.70 = 353,457,190.11 : x
  2. Step 2: Convert to fraction form
    664,605,432.86/997,080,514.70 = 353,457,190.11/x
  3. Step 3: Cross multiply
    664,605,432.86x = 997,080,514.70 × 353,457,190.11
  4. Step 4: Simplify right side
    664,605,432.86x = 352,425,277,043,252,736
  5. Step 5: Solve for x
    x = 352,425,277,043,252,736/664,605,432.86
  6. Step 6: Final answer
    x = 530,277,454.29

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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.