Home / 885,459,861.20-1,328,992,858.20-449,064,131.60

Finding the Fourth Proportional to 885,459,861.20, 1,328,992,858.20 and 449,064,131.60

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Solution

The fourth proportional to 885,459,861.20, 1,328,992,858.20 and 449,064,131.60 is: 674,003,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,459,861.20 : 1,328,992,858.20 = 449,064,131.60 : x
  2. Step 2: Convert to fraction form
    885,459,861.20/1,328,992,858.20 = 449,064,131.60/x
  3. Step 3: Cross multiply
    885,459,861.20x = 1,328,992,858.20 × 449,064,131.60
  4. Step 4: Simplify right side
    885,459,861.20x = 596,803,023,770,184,960
  5. Step 5: Solve for x
    x = 596,803,023,770,184,960/885,459,861.20
  6. Step 6: Final answer
    x = 674,003,475.39

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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.