Home / 951,980,447.46-1,427,932,278.39-485,631,641.18

Finding the Fourth Proportional to 951,980,447.46, 1,427,932,278.39 and 485,631,641.18

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Solution

The fourth proportional to 951,980,447.46, 1,427,932,278.39 and 485,631,641.18 is: 728,427,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,980,447.46 : 1,427,932,278.39 = 485,631,641.18 : x
  2. Step 2: Convert to fraction form
    951,980,447.46/1,427,932,278.39 = 485,631,641.18/x
  3. Step 3: Cross multiply
    951,980,447.46x = 1,427,932,278.39 × 485,631,641.18
  4. Step 4: Simplify right side
    951,980,447.46x = 693,449,095,848,432,384
  5. Step 5: Solve for x
    x = 693,449,095,848,432,384/951,980,447.46
  6. Step 6: Final answer
    x = 728,427,876.54

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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.