Home / 951,980,444.96-1,427,932,274.64-485,631,638.68

Finding the Fourth Proportional to 951,980,444.96, 1,427,932,274.64 and 485,631,638.68

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Solution

The fourth proportional to 951,980,444.96, 1,427,932,274.64 and 485,631,638.68 is: 728,427,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,980,444.96 : 1,427,932,274.64 = 485,631,638.68 : x
  2. Step 2: Convert to fraction form
    951,980,444.96/1,427,932,274.64 = 485,631,638.68/x
  3. Step 3: Cross multiply
    951,980,444.96x = 1,427,932,274.64 × 485,631,638.68
  4. Step 4: Simplify right side
    951,980,444.96x = 693,449,090,457,483,008
  5. Step 5: Solve for x
    x = 693,449,090,457,483,008/951,980,444.96
  6. Step 6: Final answer
    x = 728,427,872.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.