Home / 416,499,434.40-624,749,151.60-309,004,010.40

Finding the Fourth Proportional to 416,499,434.40, 624,749,151.60 and 309,004,010.40

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Solution

The fourth proportional to 416,499,434.40, 624,749,151.60 and 309,004,010.40 is: 463,506,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,499,434.40 : 624,749,151.60 = 309,004,010.40 : x
  2. Step 2: Convert to fraction form
    416,499,434.40/624,749,151.60 = 309,004,010.40/x
  3. Step 3: Cross multiply
    416,499,434.40x = 624,749,151.60 × 309,004,010.40
  4. Step 4: Simplify right side
    416,499,434.40x = 193,049,993,338,397,568
  5. Step 5: Solve for x
    x = 193,049,993,338,397,568/416,499,434.40
  6. Step 6: Final answer
    x = 463,506,015.60

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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.