Home / 1,468,902,006.80-2,203,353,010.20-378,385,074.80

Finding the Fourth Proportional to 1,468,902,006.80, 2,203,353,010.20 and 378,385,074.80

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Solution

The fourth proportional to 1,468,902,006.80, 2,203,353,010.20 and 378,385,074.80 is: 567,577,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,902,006.80 : 2,203,353,010.20 = 378,385,074.80 : x
  2. Step 2: Convert to fraction form
    1,468,902,006.80/2,203,353,010.20 = 378,385,074.80/x
  3. Step 3: Cross multiply
    1,468,902,006.80x = 2,203,353,010.20 × 378,385,074.80
  4. Step 4: Simplify right side
    1,468,902,006.80x = 833,715,893,575,332,096
  5. Step 5: Solve for x
    x = 833,715,893,575,332,096/1,468,902,006.80
  6. Step 6: Final answer
    x = 567,577,612.20

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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.