Home / 647,769,486,463.40-893,491,458,635.74-416,575,294,989.92

Finding the Fourth Proportional to 647,769,486,463.40, 893,491,458,635.74 and 416,575,294,989.92

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Solution

The fourth proportional to 647,769,486,463.40, 893,491,458,635.74 and 416,575,294,989.92 is: 574,597,099,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,769,486,463.40 : 893,491,458,635.74 = 416,575,294,989.92 : x
  2. Step 2: Convert to fraction form
    647,769,486,463.40/893,491,458,635.74 = 416,575,294,989.92/x
  3. Step 3: Cross multiply
    647,769,486,463.40x = 893,491,458,635.74 × 416,575,294,989.92
  4. Step 4: Simplify right side
    647,769,486,463.40x = 372,206,467,952,157,254,483,968
  5. Step 5: Solve for x
    x = 372,206,467,952,157,254,483,968/647,769,486,463.40
  6. Step 6: Final answer
    x = 574,597,099,323.52

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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.