Home / 889,489,861.60-1,334,234,792.40-243,257,605.60

Finding the Fourth Proportional to 889,489,861.60, 1,334,234,792.40 and 243,257,605.60

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Solution

The fourth proportional to 889,489,861.60, 1,334,234,792.40 and 243,257,605.60 is: 364,886,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,489,861.60 : 1,334,234,792.40 = 243,257,605.60 : x
  2. Step 2: Convert to fraction form
    889,489,861.60/1,334,234,792.40 = 243,257,605.60/x
  3. Step 3: Cross multiply
    889,489,861.60x = 1,334,234,792.40 × 243,257,605.60
  4. Step 4: Simplify right side
    889,489,861.60x = 324,562,760,907,437,120
  5. Step 5: Solve for x
    x = 324,562,760,907,437,120/889,489,861.60
  6. Step 6: Final answer
    x = 364,886,408.40

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Double scale
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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.