Home / 539,082,123.40-809,154,026.70-266,760,382.60

Finding the Fourth Proportional to 539,082,123.40, 809,154,026.70 and 266,760,382.60

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Solution

The fourth proportional to 539,082,123.40, 809,154,026.70 and 266,760,382.60 is: 400,403,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,082,123.40 : 809,154,026.70 = 266,760,382.60 : x
  2. Step 2: Convert to fraction form
    539,082,123.40/809,154,026.70 = 266,760,382.60/x
  3. Step 3: Cross multiply
    539,082,123.40x = 809,154,026.70 × 266,760,382.60
  4. Step 4: Simplify right side
    539,082,123.40x = 215,850,237,744,822,624
  5. Step 5: Solve for x
    x = 215,850,237,744,822,624/539,082,123.40
  6. Step 6: Final answer
    x = 400,403,256.53

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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.