Home / 415,314,690.40-622,972,035.60-172,946,101.60

Finding the Fourth Proportional to 415,314,690.40, 622,972,035.60 and 172,946,101.60

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Solution

The fourth proportional to 415,314,690.40, 622,972,035.60 and 172,946,101.60 is: 259,419,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,314,690.40 : 622,972,035.60 = 172,946,101.60 : x
  2. Step 2: Convert to fraction form
    415,314,690.40/622,972,035.60 = 172,946,101.60/x
  3. Step 3: Cross multiply
    415,314,690.40x = 622,972,035.60 × 172,946,101.60
  4. Step 4: Simplify right side
    415,314,690.40x = 107,740,584,962,836,416
  5. Step 5: Solve for x
    x = 107,740,584,962,836,416/415,314,690.40
  6. Step 6: Final answer
    x = 259,419,152.40

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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.