Home / 367,619,858.40-551,429,787.60-327,442,918.80

Finding the Fourth Proportional to 367,619,858.40, 551,429,787.60 and 327,442,918.80

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Solution

The fourth proportional to 367,619,858.40, 551,429,787.60 and 327,442,918.80 is: 491,164,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,619,858.40 : 551,429,787.60 = 327,442,918.80 : x
  2. Step 2: Convert to fraction form
    367,619,858.40/551,429,787.60 = 327,442,918.80/x
  3. Step 3: Cross multiply
    367,619,858.40x = 551,429,787.60 × 327,442,918.80
  4. Step 4: Simplify right side
    367,619,858.40x = 180,561,779,165,008,064
  5. Step 5: Solve for x
    x = 180,561,779,165,008,064/367,619,858.40
  6. Step 6: Final answer
    x = 491,164,378.20

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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.