Home / 428,529,977.64-642,877,703.10-182,883,027.24

Finding the Fourth Proportional to 428,529,977.64, 642,877,703.10 and 182,883,027.24

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Solution

The fourth proportional to 428,529,977.64, 642,877,703.10 and 182,883,027.24 is: 274,359,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,529,977.64 : 642,877,703.10 = 182,883,027.24 : x
  2. Step 2: Convert to fraction form
    428,529,977.64/642,877,703.10 = 182,883,027.24/x
  3. Step 3: Cross multiply
    428,529,977.64x = 642,877,703.10 × 182,883,027.24
  4. Step 4: Simplify right side
    428,529,977.64x = 117,571,420,488,025,936
  5. Step 5: Solve for x
    x = 117,571,420,488,025,936/428,529,977.64
  6. Step 6: Final answer
    x = 274,359,850.24

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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.