Home / 1,327,851,556.98-1,991,784,919.50-551,497,218.18

Finding the Fourth Proportional to 1,327,851,556.98, 1,991,784,919.50 and 551,497,218.18

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Solution

The fourth proportional to 1,327,851,556.98, 1,991,784,919.50 and 551,497,218.18 is: 827,248,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,851,556.98 : 1,991,784,919.50 = 551,497,218.18 : x
  2. Step 2: Convert to fraction form
    1,327,851,556.98/1,991,784,919.50 = 551,497,218.18/x
  3. Step 3: Cross multiply
    1,327,851,556.98x = 1,991,784,919.50 × 551,497,218.18
  4. Step 4: Simplify right side
    1,327,851,556.98x = 1,098,463,842,317,125,120
  5. Step 5: Solve for x
    x = 1,098,463,842,317,125,120/1,327,851,556.98
  6. Step 6: Final answer
    x = 827,248,977.15

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Double scale
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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.