Home / 439,171,268.95-658,732,655.45-321,117,006.96

Finding the Fourth Proportional to 439,171,268.95, 658,732,655.45 and 321,117,006.96

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Solution

The fourth proportional to 439,171,268.95, 658,732,655.45 and 321,117,006.96 is: 481,657,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,171,268.95 : 658,732,655.45 = 321,117,006.96 : x
  2. Step 2: Convert to fraction form
    439,171,268.95/658,732,655.45 = 321,117,006.96/x
  3. Step 3: Cross multiply
    439,171,268.95x = 658,732,655.45 × 321,117,006.96
  4. Step 4: Simplify right side
    439,171,268.95x = 211,530,258,705,719,712
  5. Step 5: Solve for x
    x = 211,530,258,705,719,712/439,171,268.95
  6. Step 6: Final answer
    x = 481,657,780.60

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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.