Home / 647,769,486,462.39-893,491,458,634.35-416,575,294,988.91

Finding the Fourth Proportional to 647,769,486,462.39, 893,491,458,634.35 and 416,575,294,988.91

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Solution

The fourth proportional to 647,769,486,462.39, 893,491,458,634.35 and 416,575,294,988.91 is: 574,597,099,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,769,486,462.39 : 893,491,458,634.35 = 416,575,294,988.91 : x
  2. Step 2: Convert to fraction form
    647,769,486,462.39/893,491,458,634.35 = 416,575,294,988.91/x
  3. Step 3: Cross multiply
    647,769,486,462.39x = 893,491,458,634.35 × 416,575,294,988.91
  4. Step 4: Simplify right side
    647,769,486,462.39x = 372,206,467,950,675,826,311,168
  5. Step 5: Solve for x
    x = 372,206,467,950,675,826,311,168/647,769,486,462.39
  6. Step 6: Final answer
    x = 574,597,099,322.13

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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.