Home / 2,076,672,089.60-3,115,008,134.40-1,259,706,867.20

Finding the Fourth Proportional to 2,076,672,089.60, 3,115,008,134.40 and 1,259,706,867.20

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Solution

The fourth proportional to 2,076,672,089.60, 3,115,008,134.40 and 1,259,706,867.20 is: 1,889,560,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,672,089.60 : 3,115,008,134.40 = 1,259,706,867.20 : x
  2. Step 2: Convert to fraction form
    2,076,672,089.60/3,115,008,134.40 = 1,259,706,867.20/x
  3. Step 3: Cross multiply
    2,076,672,089.60x = 3,115,008,134.40 × 1,259,706,867.20
  4. Step 4: Simplify right side
    2,076,672,089.60x = 3,923,997,138,287,540,736
  5. Step 5: Solve for x
    x = 3,923,997,138,287,540,736/2,076,672,089.60
  6. Step 6: Final answer
    x = 1,889,560,300.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.