Home / 812,179,480.59-1,120,821,316.88-440,901,510.75

Finding the Fourth Proportional to 812,179,480.59, 1,120,821,316.88 and 440,901,510.75

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Solution

The fourth proportional to 812,179,480.59, 1,120,821,316.88 and 440,901,510.75 is: 608,451,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,179,480.59 : 1,120,821,316.88 = 440,901,510.75 : x
  2. Step 2: Convert to fraction form
    812,179,480.59/1,120,821,316.88 = 440,901,510.75/x
  3. Step 3: Cross multiply
    812,179,480.59x = 1,120,821,316.88 × 440,901,510.75
  4. Step 4: Simplify right side
    812,179,480.59x = 494,171,811,890,992,000
  5. Step 5: Solve for x
    x = 494,171,811,890,992,000/812,179,480.59
  6. Step 6: Final answer
    x = 608,451,486.03

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