Home / 335,123,456.70-502,685,185.05-310,936,986.30

Finding the Fourth Proportional to 335,123,456.70, 502,685,185.05 and 310,936,986.30

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Solution

The fourth proportional to 335,123,456.70, 502,685,185.05 and 310,936,986.30 is: 466,405,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,123,456.70 : 502,685,185.05 = 310,936,986.30 : x
  2. Step 2: Convert to fraction form
    335,123,456.70/502,685,185.05 = 310,936,986.30/x
  3. Step 3: Cross multiply
    335,123,456.70x = 502,685,185.05 × 310,936,986.30
  4. Step 4: Simplify right side
    335,123,456.70x = 156,303,416,497,104,832
  5. Step 5: Solve for x
    x = 156,303,416,497,104,832/335,123,456.70
  6. Step 6: Final answer
    x = 466,405,479.45

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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.