Home / 818,902,777.80-1,228,354,166.70-673,500,520.20

Finding the Fourth Proportional to 818,902,777.80, 1,228,354,166.70 and 673,500,520.20

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Solution

The fourth proportional to 818,902,777.80, 1,228,354,166.70 and 673,500,520.20 is: 1,010,250,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,902,777.80 : 1,228,354,166.70 = 673,500,520.20 : x
  2. Step 2: Convert to fraction form
    818,902,777.80/1,228,354,166.70 = 673,500,520.20/x
  3. Step 3: Cross multiply
    818,902,777.80x = 1,228,354,166.70 × 673,500,520.20
  4. Step 4: Simplify right side
    818,902,777.80x = 827,297,170,262,287,616
  5. Step 5: Solve for x
    x = 827,297,170,262,287,616/818,902,777.80
  6. Step 6: Final answer
    x = 1,010,250,780.30

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1.5x scale

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.