Home / 469,952,478.52-648,551,922.87-281,811,403.56

Finding the Fourth Proportional to 469,952,478.52, 648,551,922.87 and 281,811,403.56

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Solution

The fourth proportional to 469,952,478.52, 648,551,922.87 and 281,811,403.56 is: 388,910,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,952,478.52 : 648,551,922.87 = 281,811,403.56 : x
  2. Step 2: Convert to fraction form
    469,952,478.52/648,551,922.87 = 281,811,403.56/x
  3. Step 3: Cross multiply
    469,952,478.52x = 648,551,922.87 × 281,811,403.56
  4. Step 4: Simplify right side
    469,952,478.52x = 182,769,327,665,531,552
  5. Step 5: Solve for x
    x = 182,769,327,665,531,552/469,952,478.52
  6. Step 6: Final answer
    x = 388,910,232.46

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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.