Home / 499,608,121.20-749,412,181.80-491,105,065.20

Finding the Fourth Proportional to 499,608,121.20, 749,412,181.80 and 491,105,065.20

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Solution

The fourth proportional to 499,608,121.20, 749,412,181.80 and 491,105,065.20 is: 736,657,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,608,121.20 : 749,412,181.80 = 491,105,065.20 : x
  2. Step 2: Convert to fraction form
    499,608,121.20/749,412,181.80 = 491,105,065.20/x
  3. Step 3: Cross multiply
    499,608,121.20x = 749,412,181.80 × 491,105,065.20
  4. Step 4: Simplify right side
    499,608,121.20x = 368,040,118,404,563,200
  5. Step 5: Solve for x
    x = 368,040,118,404,563,200/499,608,121.20
  6. Step 6: Final answer
    x = 736,657,597.80

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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.