Home / 1,413,504,010.40-2,120,256,015.60-551,861,002.40

Finding the Fourth Proportional to 1,413,504,010.40, 2,120,256,015.60 and 551,861,002.40

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Solution

The fourth proportional to 1,413,504,010.40, 2,120,256,015.60 and 551,861,002.40 is: 827,791,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,504,010.40 : 2,120,256,015.60 = 551,861,002.40 : x
  2. Step 2: Convert to fraction form
    1,413,504,010.40/2,120,256,015.60 = 551,861,002.40/x
  3. Step 3: Cross multiply
    1,413,504,010.40x = 2,120,256,015.60 × 551,861,002.40
  4. Step 4: Simplify right side
    1,413,504,010.40x = 1,170,086,610,113,645,824
  5. Step 5: Solve for x
    x = 1,170,086,610,113,645,824/1,413,504,010.40
  6. Step 6: Final answer
    x = 827,791,503.60

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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.