Home / 395,608,082.40-593,412,123.60-202,116,319.20

Finding the Fourth Proportional to 395,608,082.40, 593,412,123.60 and 202,116,319.20

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Solution

The fourth proportional to 395,608,082.40, 593,412,123.60 and 202,116,319.20 is: 303,174,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,608,082.40 : 593,412,123.60 = 202,116,319.20 : x
  2. Step 2: Convert to fraction form
    395,608,082.40/593,412,123.60 = 202,116,319.20/x
  3. Step 3: Cross multiply
    395,608,082.40x = 593,412,123.60 × 202,116,319.20
  4. Step 4: Simplify right side
    395,608,082.40x = 119,938,274,190,687,456
  5. Step 5: Solve for x
    x = 119,938,274,190,687,456/395,608,082.40
  6. Step 6: Final answer
    x = 303,174,478.80

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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.