Home / 972,831,820.41-1,458,634,670.78-825,330,917.61

Finding the Fourth Proportional to 972,831,820.41, 1,458,634,670.78 and 825,330,917.61

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Solution

The fourth proportional to 972,831,820.41, 1,458,634,670.78 and 825,330,917.61 is: 1,237,476,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,831,820.41 : 1,458,634,670.78 = 825,330,917.61 : x
  2. Step 2: Convert to fraction form
    972,831,820.41/1,458,634,670.78 = 825,330,917.61/x
  3. Step 3: Cross multiply
    972,831,820.41x = 1,458,634,670.78 × 825,330,917.61
  4. Step 4: Simplify right side
    972,831,820.41x = 1,203,856,291,288,491,008
  5. Step 5: Solve for x
    x = 1,203,856,291,288,491,008/972,831,820.41
  6. Step 6: Final answer
    x = 1,237,476,268.80

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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.