Home / 1,468,902,003.80-2,203,353,005.70-378,385,071.80

Finding the Fourth Proportional to 1,468,902,003.80, 2,203,353,005.70 and 378,385,071.80

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Solution

The fourth proportional to 1,468,902,003.80, 2,203,353,005.70 and 378,385,071.80 is: 567,577,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,902,003.80 : 2,203,353,005.70 = 378,385,071.80 : x
  2. Step 2: Convert to fraction form
    1,468,902,003.80/2,203,353,005.70 = 378,385,071.80/x
  3. Step 3: Cross multiply
    1,468,902,003.80x = 2,203,353,005.70 × 378,385,071.80
  4. Step 4: Simplify right side
    1,468,902,003.80x = 833,715,885,262,540,288
  5. Step 5: Solve for x
    x = 833,715,885,262,540,288/1,468,902,003.80
  6. Step 6: Final answer
    x = 567,577,607.70

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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.