Home / 491,205,665.70-736,312,486.95-245,183,912.10

Finding the Fourth Proportional to 491,205,665.70, 736,312,486.95 and 245,183,912.10

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Solution

The fourth proportional to 491,205,665.70, 736,312,486.95 and 245,183,912.10 is: 367,528,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,205,665.70 : 736,312,486.95 = 245,183,912.10 : x
  2. Step 2: Convert to fraction form
    491,205,665.70/736,312,486.95 = 245,183,912.10/x
  3. Step 3: Cross multiply
    491,205,665.70x = 736,312,486.95 × 245,183,912.10
  4. Step 4: Simplify right side
    491,205,665.70x = 180,531,976,078,481,216
  5. Step 5: Solve for x
    x = 180,531,976,078,481,216/491,205,665.70
  6. Step 6: Final answer
    x = 367,528,285.37

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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.