Home / 351,744,811.80-527,617,217.70-312,777,720.60

Finding the Fourth Proportional to 351,744,811.80, 527,617,217.70 and 312,777,720.60

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Solution

The fourth proportional to 351,744,811.80, 527,617,217.70 and 312,777,720.60 is: 469,166,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,744,811.80 : 527,617,217.70 = 312,777,720.60 : x
  2. Step 2: Convert to fraction form
    351,744,811.80/527,617,217.70 = 312,777,720.60/x
  3. Step 3: Cross multiply
    351,744,811.80x = 527,617,217.70 × 312,777,720.60
  4. Step 4: Simplify right side
    351,744,811.80x = 165,026,910,701,519,968
  5. Step 5: Solve for x
    x = 165,026,910,701,519,968/351,744,811.80
  6. Step 6: Final answer
    x = 469,166,580.90

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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.