Home / 481,366,838.37-721,012,484.14-325,061,139.64

Finding the Fourth Proportional to 481,366,838.37, 721,012,484.14 and 325,061,139.64

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Solution

The fourth proportional to 481,366,838.37, 721,012,484.14 and 325,061,139.64 is: 486,890,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,366,838.37 : 721,012,484.14 = 325,061,139.64 : x
  2. Step 2: Convert to fraction form
    481,366,838.37/721,012,484.14 = 325,061,139.64/x
  3. Step 3: Cross multiply
    481,366,838.37x = 721,012,484.14 × 325,061,139.64
  4. Step 4: Simplify right side
    481,366,838.37x = 234,373,139,789,786,944
  5. Step 5: Solve for x
    x = 234,373,139,789,786,944/481,366,838.37
  6. Step 6: Final answer
    x = 486,890,913.76

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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.