Home / 818,850,735.23-1,228,276,102.84-508,914,344.03

Finding the Fourth Proportional to 818,850,735.23, 1,228,276,102.84 and 508,914,344.03

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Solution

The fourth proportional to 818,850,735.23, 1,228,276,102.84 and 508,914,344.03 is: 763,371,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,850,735.23 : 1,228,276,102.84 = 508,914,344.03 : x
  2. Step 2: Convert to fraction form
    818,850,735.23/1,228,276,102.84 = 508,914,344.03/x
  3. Step 3: Cross multiply
    818,850,735.23x = 1,228,276,102.84 × 508,914,344.03
  4. Step 4: Simplify right side
    818,850,735.23x = 625,087,327,157,129,728
  5. Step 5: Solve for x
    x = 625,087,327,157,129,728/818,850,735.23
  6. Step 6: Final answer
    x = 763,371,516.04

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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.