Home / 492,409,994.21-738,614,080.61-160,416,607.68

Finding the Fourth Proportional to 492,409,994.21, 738,614,080.61 and 160,416,607.68

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Solution

The fourth proportional to 492,409,994.21, 738,614,080.61 and 160,416,607.68 is: 240,624,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,409,994.21 : 738,614,080.61 = 160,416,607.68 : x
  2. Step 2: Convert to fraction form
    492,409,994.21/738,614,080.61 = 160,416,607.68/x
  3. Step 3: Cross multiply
    492,409,994.21x = 738,614,080.61 × 160,416,607.68
  4. Step 4: Simplify right side
    492,409,994.21x = 118,485,965,196,138,272
  5. Step 5: Solve for x
    x = 118,485,965,196,138,272/492,409,994.21
  6. Step 6: Final answer
    x = 240,624,614.83

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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.