Home / 435,631,930.80-653,447,896.20-336,996,481.20

Finding the Fourth Proportional to 435,631,930.80, 653,447,896.20 and 336,996,481.20

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Solution

The fourth proportional to 435,631,930.80, 653,447,896.20 and 336,996,481.20 is: 505,494,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,631,930.80 : 653,447,896.20 = 336,996,481.20 : x
  2. Step 2: Convert to fraction form
    435,631,930.80/653,447,896.20 = 336,996,481.20/x
  3. Step 3: Cross multiply
    435,631,930.80x = 653,447,896.20 × 336,996,481.20
  4. Step 4: Simplify right side
    435,631,930.80x = 220,209,641,666,942,848
  5. Step 5: Solve for x
    x = 220,209,641,666,942,848/435,631,930.80
  6. Step 6: Final answer
    x = 505,494,721.80

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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.