Home / 548,933,625.60-823,400,438.40-472,406,121.60

Finding the Fourth Proportional to 548,933,625.60, 823,400,438.40 and 472,406,121.60

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Solution

The fourth proportional to 548,933,625.60, 823,400,438.40 and 472,406,121.60 is: 708,609,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,933,625.60 : 823,400,438.40 = 472,406,121.60 : x
  2. Step 2: Convert to fraction form
    548,933,625.60/823,400,438.40 = 472,406,121.60/x
  3. Step 3: Cross multiply
    548,933,625.60x = 823,400,438.40 × 472,406,121.60
  4. Step 4: Simplify right side
    548,933,625.60x = 388,979,407,628,283,712
  5. Step 5: Solve for x
    x = 388,979,407,628,283,712/548,933,625.60
  6. Step 6: Final answer
    x = 708,609,182.40

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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.