Home / 465,475,347-698,216,519.70-206,620,977.24

Finding the Fourth Proportional to 465,475,347, 698,216,519.70 and 206,620,977.24

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Solution

The fourth proportional to 465,475,347, 698,216,519.70 and 206,620,977.24 is: 309,933,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,475,347 : 698,216,519.70 = 206,620,977.24 : x
  2. Step 2: Convert to fraction form
    465,475,347/698,216,519.70 = 206,620,977.24/x
  3. Step 3: Cross multiply
    465,475,347x = 698,216,519.70 × 206,620,977.24
  4. Step 4: Simplify right side
    465,475,347x = 144,266,179,625,525,728
  5. Step 5: Solve for x
    x = 144,266,179,625,525,728/465,475,347
  6. Step 6: Final answer
    x = 309,933,019.13

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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.