Home / 499,436,344.16-689,223,629.52-276,433,514.62

Finding the Fourth Proportional to 499,436,344.16, 689,223,629.52 and 276,433,514.62

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Solution

The fourth proportional to 499,436,344.16, 689,223,629.52 and 276,433,514.62 is: 381,479,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,436,344.16 : 689,223,629.52 = 276,433,514.62 : x
  2. Step 2: Convert to fraction form
    499,436,344.16/689,223,629.52 = 276,433,514.62/x
  3. Step 3: Cross multiply
    499,436,344.16x = 689,223,629.52 × 276,433,514.62
  4. Step 4: Simplify right side
    499,436,344.16x = 190,524,510,267,366,368
  5. Step 5: Solve for x
    x = 190,524,510,267,366,368/499,436,344.16
  6. Step 6: Final answer
    x = 381,479,066.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.