Home / 818,534,115.90-1,227,811,671.45-273,275,649.90

Finding the Fourth Proportional to 818,534,115.90, 1,227,811,671.45 and 273,275,649.90

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Solution

The fourth proportional to 818,534,115.90, 1,227,811,671.45 and 273,275,649.90 is: 409,916,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,534,115.90 : 1,227,811,671.45 = 273,275,649.90 : x
  2. Step 2: Convert to fraction form
    818,534,115.90/1,227,811,671.45 = 273,275,649.90/x
  3. Step 3: Cross multiply
    818,534,115.90x = 1,227,811,671.45 × 273,275,649.90
  4. Step 4: Simplify right side
    818,534,115.90x = 335,531,032,470,304,000
  5. Step 5: Solve for x
    x = 335,531,032,470,304,000/818,534,115.90
  6. Step 6: Final answer
    x = 409,916,979.58

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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.