Home / 436,616,081.80-654,924,122.70-289,300,636.60

Finding the Fourth Proportional to 436,616,081.80, 654,924,122.70 and 289,300,636.60

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Solution

The fourth proportional to 436,616,081.80, 654,924,122.70 and 289,300,636.60 is: 433,950,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,616,081.80 : 654,924,122.70 = 289,300,636.60 : x
  2. Step 2: Convert to fraction form
    436,616,081.80/654,924,122.70 = 289,300,636.60/x
  3. Step 3: Cross multiply
    436,616,081.80x = 654,924,122.70 × 289,300,636.60
  4. Step 4: Simplify right side
    436,616,081.80x = 189,469,965,621,806,528
  5. Step 5: Solve for x
    x = 189,469,965,621,806,528/436,616,081.80
  6. Step 6: Final answer
    x = 433,950,954.90

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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.