Home / 10,165,985,861.60-15,248,978,792.40-3,620,522,309.60

Finding the Fourth Proportional to 10,165,985,861.60, 15,248,978,792.40 and 3,620,522,309.60

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Solution

The fourth proportional to 10,165,985,861.60, 15,248,978,792.40 and 3,620,522,309.60 is: 5,430,783,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165,985,861.60 : 15,248,978,792.40 = 3,620,522,309.60 : x
  2. Step 2: Convert to fraction form
    10,165,985,861.60/15,248,978,792.40 = 3,620,522,309.60/x
  3. Step 3: Cross multiply
    10,165,985,861.60x = 15,248,978,792.40 × 3,620,522,309.60
  4. Step 4: Simplify right side
    10,165,985,861.60x = 55,209,267,916,501,467,136
  5. Step 5: Solve for x
    x = 55,209,267,916,501,467,136/10,165,985,861.60
  6. Step 6: Final answer
    x = 5,430,783,464.40

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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.