Home / 635,904,009.60-953,856,014.40-394,039,305.60

Finding the Fourth Proportional to 635,904,009.60, 953,856,014.40 and 394,039,305.60

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Solution

The fourth proportional to 635,904,009.60, 953,856,014.40 and 394,039,305.60 is: 591,058,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,904,009.60 : 953,856,014.40 = 394,039,305.60 : x
  2. Step 2: Convert to fraction form
    635,904,009.60/953,856,014.40 = 394,039,305.60/x
  3. Step 3: Cross multiply
    635,904,009.60x = 953,856,014.40 × 394,039,305.60
  4. Step 4: Simplify right side
    635,904,009.60x = 375,856,761,556,559,616
  5. Step 5: Solve for x
    x = 375,856,761,556,559,616/635,904,009.60
  6. Step 6: Final answer
    x = 591,058,958.40

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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.