Home / 479,466,289.64-661,664,629.86-259,452,076.52

Finding the Fourth Proportional to 479,466,289.64, 661,664,629.86 and 259,452,076.52

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Solution

The fourth proportional to 479,466,289.64, 661,664,629.86 and 259,452,076.52 is: 358,044,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,466,289.64 : 661,664,629.86 = 259,452,076.52 : x
  2. Step 2: Convert to fraction form
    479,466,289.64/661,664,629.86 = 259,452,076.52/x
  3. Step 3: Cross multiply
    479,466,289.64x = 661,664,629.86 × 259,452,076.52
  4. Step 4: Simplify right side
    479,466,289.64x = 171,670,262,177,014,208
  5. Step 5: Solve for x
    x = 171,670,262,177,014,208/479,466,289.64
  6. Step 6: Final answer
    x = 358,044,487.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.