Home / 367,618,531.20-551,427,796.80-339,558,446.40

Finding the Fourth Proportional to 367,618,531.20, 551,427,796.80 and 339,558,446.40

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Solution

The fourth proportional to 367,618,531.20, 551,427,796.80 and 339,558,446.40 is: 509,337,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,618,531.20 : 551,427,796.80 = 339,558,446.40 : x
  2. Step 2: Convert to fraction form
    367,618,531.20/551,427,796.80 = 339,558,446.40/x
  3. Step 3: Cross multiply
    367,618,531.20x = 551,427,796.80 × 339,558,446.40
  4. Step 4: Simplify right side
    367,618,531.20x = 187,241,965,983,182,848
  5. Step 5: Solve for x
    x = 187,241,965,983,182,848/367,618,531.20
  6. Step 6: Final answer
    x = 509,337,669.60

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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.