Home / 772,416,004.80-1,158,624,007.20-190,145,625.60

Finding the Fourth Proportional to 772,416,004.80, 1,158,624,007.20 and 190,145,625.60

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Solution

The fourth proportional to 772,416,004.80, 1,158,624,007.20 and 190,145,625.60 is: 285,218,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,416,004.80 : 1,158,624,007.20 = 190,145,625.60 : x
  2. Step 2: Convert to fraction form
    772,416,004.80/1,158,624,007.20 = 190,145,625.60/x
  3. Step 3: Cross multiply
    772,416,004.80x = 1,158,624,007.20 × 190,145,625.60
  4. Step 4: Simplify right side
    772,416,004.80x = 220,307,286,684,222,912
  5. Step 5: Solve for x
    x = 220,307,286,684,222,912/772,416,004.80
  6. Step 6: Final answer
    x = 285,218,438.40

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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.