Home / 10,165,985,839.60-15,248,978,759.40-3,620,522,287.60

Finding the Fourth Proportional to 10,165,985,839.60, 15,248,978,759.40 and 3,620,522,287.60

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Solution

The fourth proportional to 10,165,985,839.60, 15,248,978,759.40 and 3,620,522,287.60 is: 5,430,783,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165,985,839.60 : 15,248,978,759.40 = 3,620,522,287.60 : x
  2. Step 2: Convert to fraction form
    10,165,985,839.60/15,248,978,759.40 = 3,620,522,287.60/x
  3. Step 3: Cross multiply
    10,165,985,839.60x = 15,248,978,759.40 × 3,620,522,287.60
  4. Step 4: Simplify right side
    10,165,985,839.60x = 55,209,267,461,546,696,704
  5. Step 5: Solve for x
    x = 55,209,267,461,546,696,704/10,165,985,839.60
  6. Step 6: Final answer
    x = 5,430,783,431.40

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1.5x scale

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.