Home / 465,841,128.30-698,761,692.45-142,683,009.90

Finding the Fourth Proportional to 465,841,128.30, 698,761,692.45 and 142,683,009.90

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Solution

The fourth proportional to 465,841,128.30, 698,761,692.45 and 142,683,009.90 is: 214,024,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,841,128.30 : 698,761,692.45 = 142,683,009.90 : x
  2. Step 2: Convert to fraction form
    465,841,128.30/698,761,692.45 = 142,683,009.90/x
  3. Step 3: Cross multiply
    465,841,128.30x = 698,761,692.45 × 142,683,009.90
  4. Step 4: Simplify right side
    465,841,128.30x = 99,701,421,481,584,112
  5. Step 5: Solve for x
    x = 99,701,421,481,584,112/465,841,128.30
  6. Step 6: Final answer
    x = 214,024,514.85

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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.