Home / 728,067,999.60-1,092,101,999.40-483,179,986.80

Finding the Fourth Proportional to 728,067,999.60, 1,092,101,999.40 and 483,179,986.80

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Solution

The fourth proportional to 728,067,999.60, 1,092,101,999.40 and 483,179,986.80 is: 724,769,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,067,999.60 : 1,092,101,999.40 = 483,179,986.80 : x
  2. Step 2: Convert to fraction form
    728,067,999.60/1,092,101,999.40 = 483,179,986.80/x
  3. Step 3: Cross multiply
    728,067,999.60x = 1,092,101,999.40 × 483,179,986.80
  4. Step 4: Simplify right side
    728,067,999.60x = 527,681,829,654,345,664
  5. Step 5: Solve for x
    x = 527,681,829,654,345,664/728,067,999.60
  6. Step 6: Final answer
    x = 724,769,980.20

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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.