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Finding the Fourth Proportional to 877,604,735.22, 1,211,068,318.50 and 481,114,174.02

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Solution

The fourth proportional to 877,604,735.22, 1,211,068,318.50 and 481,114,174.02 is: 663,923,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,604,735.22 : 1,211,068,318.50 = 481,114,174.02 : x
  2. Step 2: Convert to fraction form
    877,604,735.22/1,211,068,318.50 = 481,114,174.02/x
  3. Step 3: Cross multiply
    877,604,735.22x = 1,211,068,318.50 × 481,114,174.02
  4. Step 4: Simplify right side
    877,604,735.22x = 582,662,133,736,917,760
  5. Step 5: Solve for x
    x = 582,662,133,736,917,760/877,604,735.22
  6. Step 6: Final answer
    x = 663,923,188.14

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Why These Related Problems?

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