Home / 866,152,638.11-1,299,305,335.37-244,373,311.13

Finding the Fourth Proportional to 866,152,638.11, 1,299,305,335.37 and 244,373,311.13

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Solution

The fourth proportional to 866,152,638.11, 1,299,305,335.37 and 244,373,311.13 is: 366,581,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,152,638.11 : 1,299,305,335.37 = 244,373,311.13 : x
  2. Step 2: Convert to fraction form
    866,152,638.11/1,299,305,335.37 = 244,373,311.13/x
  3. Step 3: Cross multiply
    866,152,638.11x = 1,299,305,335.37 × 244,373,311.13
  4. Step 4: Simplify right side
    866,152,638.11x = 317,515,546,973,241,984
  5. Step 5: Solve for x
    x = 317,515,546,973,241,984/866,152,638.11
  6. Step 6: Final answer
    x = 366,581,515.78

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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.