Home / 663,856,775.34-916,107,786.51-362,431,780.82

Finding the Fourth Proportional to 663,856,775.34, 916,107,786.51 and 362,431,780.82

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Solution

The fourth proportional to 663,856,775.34, 916,107,786.51 and 362,431,780.82 is: 500,147,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,856,775.34 : 916,107,786.51 = 362,431,780.82 : x
  2. Step 2: Convert to fraction form
    663,856,775.34/916,107,786.51 = 362,431,780.82/x
  3. Step 3: Cross multiply
    663,856,775.34x = 916,107,786.51 × 362,431,780.82
  4. Step 4: Simplify right side
    663,856,775.34x = 332,026,576,483,307,136
  5. Step 5: Solve for x
    x = 332,026,576,483,307,136/663,856,775.34
  6. Step 6: Final answer
    x = 500,147,906.62

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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.