Home / 499,879,304.59-689,780,923.99-276,855,143.71

Finding the Fourth Proportional to 499,879,304.59, 689,780,923.99 and 276,855,143.71

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Solution

The fourth proportional to 499,879,304.59, 689,780,923.99 and 276,855,143.71 is: 382,031,012.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,879,304.59 : 689,780,923.99 = 276,855,143.71 : x
  2. Step 2: Convert to fraction form
    499,879,304.59/689,780,923.99 = 276,855,143.71/x
  3. Step 3: Cross multiply
    499,879,304.59x = 689,780,923.99 × 276,855,143.71
  4. Step 4: Simplify right side
    499,879,304.59x = 190,969,396,839,668,032
  5. Step 5: Solve for x
    x = 190,969,396,839,668,032/499,879,304.59
  6. Step 6: Final answer
    x = 382,031,012.46

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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.