Home / 339,528,115.70-509,241,005.90-217,558,762.10

Finding the Fourth Proportional to 339,528,115.70, 509,241,005.90 and 217,558,762.10

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Solution

The fourth proportional to 339,528,115.70, 509,241,005.90 and 217,558,762.10 is: 326,305,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,528,115.70 : 509,241,005.90 = 217,558,762.10 : x
  2. Step 2: Convert to fraction form
    339,528,115.70/509,241,005.90 = 217,558,762.10/x
  3. Step 3: Cross multiply
    339,528,115.70x = 509,241,005.90 × 217,558,762.10
  4. Step 4: Simplify right side
    339,528,115.70x = 110,789,842,854,162,784
  5. Step 5: Solve for x
    x = 110,789,842,854,162,784/339,528,115.70
  6. Step 6: Final answer
    x = 326,305,356.56

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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.