Home / 1,462,086,998.34-2,192,914,771.72-426,669,869.22

Finding the Fourth Proportional to 1,462,086,998.34, 2,192,914,771.72 and 426,669,869.22

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Solution

The fourth proportional to 1,462,086,998.34, 2,192,914,771.72 and 426,669,869.22 is: 639,941,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,086,998.34 : 2,192,914,771.72 = 426,669,869.22 : x
  2. Step 2: Convert to fraction form
    1,462,086,998.34/2,192,914,771.72 = 426,669,869.22/x
  3. Step 3: Cross multiply
    1,462,086,998.34x = 2,192,914,771.72 × 426,669,869.22
  4. Step 4: Simplify right side
    1,462,086,998.34x = 935,650,658,860,378,496
  5. Step 5: Solve for x
    x = 935,650,658,860,378,496/1,462,086,998.34
  6. Step 6: Final answer
    x = 639,941,850.19

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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.