Home / 497,593,742.40-746,726,536.80-324,649,281.60

Finding the Fourth Proportional to 497,593,742.40, 746,726,536.80 and 324,649,281.60

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Solution

The fourth proportional to 497,593,742.40, 746,726,536.80 and 324,649,281.60 is: 487,193,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,593,742.40 : 746,726,536.80 = 324,649,281.60 : x
  2. Step 2: Convert to fraction form
    497,593,742.40/746,726,536.80 = 324,649,281.60/x
  3. Step 3: Cross multiply
    497,593,742.40x = 746,726,536.80 × 324,649,281.60
  4. Step 4: Simplify right side
    497,593,742.40x = 242,424,233,723,775,968
  5. Step 5: Solve for x
    x = 242,424,233,723,775,968/497,593,742.40
  6. Step 6: Final answer
    x = 487,193,091.61

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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.