Home / 845,869,632.49-1,268,802,704.61-477,237,243.60

Finding the Fourth Proportional to 845,869,632.49, 1,268,802,704.61 and 477,237,243.60

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Solution

The fourth proportional to 845,869,632.49, 1,268,802,704.61 and 477,237,243.60 is: 715,854,881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,869,632.49 : 1,268,802,704.61 = 477,237,243.60 : x
  2. Step 2: Convert to fraction form
    845,869,632.49/1,268,802,704.61 = 477,237,243.60/x
  3. Step 3: Cross multiply
    845,869,632.49x = 1,268,802,704.61 × 477,237,243.60
  4. Step 4: Simplify right side
    845,869,632.49x = 605,519,905,416,055,168
  5. Step 5: Solve for x
    x = 605,519,905,416,055,168/845,869,632.49
  6. Step 6: Final answer
    x = 715,854,881.36

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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.