Home / 404,578,915,826.34-606,669,790,220.20-200,135,890,172.70

Finding the Fourth Proportional to 404,578,915,826.34, 606,669,790,220.20 and 200,135,890,172.70

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Solution

The fourth proportional to 404,578,915,826.34, 606,669,790,220.20 and 200,135,890,172.70 is: 300,105,600,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,578,915,826.34 : 606,669,790,220.20 = 200,135,890,172.70 : x
  2. Step 2: Convert to fraction form
    404,578,915,826.34/606,669,790,220.20 = 200,135,890,172.70/x
  3. Step 3: Cross multiply
    404,578,915,826.34x = 606,669,790,220.20 × 200,135,890,172.70
  4. Step 4: Simplify right side
    404,578,915,826.34x = 121,416,398,506,604,885,966,848
  5. Step 5: Solve for x
    x = 121,416,398,506,604,885,966,848/404,578,915,826.34
  6. Step 6: Final answer
    x = 300,105,600,556.61

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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.