Home / 465,841,190.80-698,761,786.20-142,683,072.40

Finding the Fourth Proportional to 465,841,190.80, 698,761,786.20 and 142,683,072.40

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Solution

The fourth proportional to 465,841,190.80, 698,761,786.20 and 142,683,072.40 is: 214,024,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,841,190.80 : 698,761,786.20 = 142,683,072.40 : x
  2. Step 2: Convert to fraction form
    465,841,190.80/698,761,786.20 = 142,683,072.40/x
  3. Step 3: Cross multiply
    465,841,190.80x = 698,761,786.20 × 142,683,072.40
  4. Step 4: Simplify right side
    465,841,190.80x = 99,701,478,530,727,936
  5. Step 5: Solve for x
    x = 99,701,478,530,727,936/465,841,190.80
  6. Step 6: Final answer
    x = 214,024,608.60

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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.