Home / 534,133,029.60-801,199,544.40-485,665,610.40

Finding the Fourth Proportional to 534,133,029.60, 801,199,544.40 and 485,665,610.40

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Solution

The fourth proportional to 534,133,029.60, 801,199,544.40 and 485,665,610.40 is: 728,498,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,133,029.60 : 801,199,544.40 = 485,665,610.40 : x
  2. Step 2: Convert to fraction form
    534,133,029.60/801,199,544.40 = 485,665,610.40/x
  3. Step 3: Cross multiply
    534,133,029.60x = 801,199,544.40 × 485,665,610.40
  4. Step 4: Simplify right side
    534,133,029.60x = 389,115,065,783,227,840
  5. Step 5: Solve for x
    x = 389,115,065,783,227,840/534,133,029.60
  6. Step 6: Final answer
    x = 728,498,415.60

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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.