Home / 726,686,055.99-1,089,976,357.54-283,945,486.75

Finding the Fourth Proportional to 726,686,055.99, 1,089,976,357.54 and 283,945,486.75

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Solution

The fourth proportional to 726,686,055.99, 1,089,976,357.54 and 283,945,486.75 is: 425,897,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,686,055.99 : 1,089,976,357.54 = 283,945,486.75 : x
  2. Step 2: Convert to fraction form
    726,686,055.99/1,089,976,357.54 = 283,945,486.75/x
  3. Step 3: Cross multiply
    726,686,055.99x = 1,089,976,357.54 × 283,945,486.75
  4. Step 4: Simplify right side
    726,686,055.99x = 309,493,867,387,687,296
  5. Step 5: Solve for x
    x = 309,493,867,387,687,296/726,686,055.99
  6. Step 6: Final answer
    x = 425,897,627.78

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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.