Home / 481,493,844.40-664,664,913.12-325,072,826.32

Finding the Fourth Proportional to 481,493,844.40, 664,664,913.12 and 325,072,826.32

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Solution

The fourth proportional to 481,493,844.40, 664,664,913.12 and 325,072,826.32 is: 448,737,827.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,493,844.40 : 664,664,913.12 = 325,072,826.32 : x
  2. Step 2: Convert to fraction form
    481,493,844.40/664,664,913.12 = 325,072,826.32/x
  3. Step 3: Cross multiply
    481,493,844.40x = 664,664,913.12 × 325,072,826.32
  4. Step 4: Simplify right side
    481,493,844.40x = 216,064,501,863,655,648
  5. Step 5: Solve for x
    x = 216,064,501,863,655,648/481,493,844.40
  6. Step 6: Final answer
    x = 448,737,827.86

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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.