Home / 762,542,258.42-1,052,250,566.11-427,950,160.25

Finding the Fourth Proportional to 762,542,258.42, 1,052,250,566.11 and 427,950,160.25

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Solution

The fourth proportional to 762,542,258.42, 1,052,250,566.11 and 427,950,160.25 is: 590,538,810.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,542,258.42 : 1,052,250,566.11 = 427,950,160.25 : x
  2. Step 2: Convert to fraction form
    762,542,258.42/1,052,250,566.11 = 427,950,160.25/x
  3. Step 3: Cross multiply
    762,542,258.42x = 1,052,250,566.11 × 427,950,160.25
  4. Step 4: Simplify right side
    762,542,258.42x = 450,310,798,383,596,608
  5. Step 5: Solve for x
    x = 450,310,798,383,596,608/762,542,258.42
  6. Step 6: Final answer
    x = 590,538,810.68

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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.