Home / 403,396,758.39-556,681,867.79-224,788,174.68

Finding the Fourth Proportional to 403,396,758.39, 556,681,867.79 and 224,788,174.68

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Solution

The fourth proportional to 403,396,758.39, 556,681,867.79 and 224,788,174.68 is: 310,204,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,396,758.39 : 556,681,867.79 = 224,788,174.68 : x
  2. Step 2: Convert to fraction form
    403,396,758.39/556,681,867.79 = 224,788,174.68/x
  3. Step 3: Cross multiply
    403,396,758.39x = 556,681,867.79 × 224,788,174.68
  4. Step 4: Simplify right side
    403,396,758.39x = 125,135,500,936,843,248
  5. Step 5: Solve for x
    x = 125,135,500,936,843,248/403,396,758.39
  6. Step 6: Final answer
    x = 310,204,527.76

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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.