Home / 291,082,377.60-435,615,796.80-266,895,907.20

Finding the Fourth Proportional to 291,082,377.60, 435,615,796.80 and 266,895,907.20

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Solution

The fourth proportional to 291,082,377.60, 435,615,796.80 and 266,895,907.20 is: 399,419,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,082,377.60 : 435,615,796.80 = 266,895,907.20 : x
  2. Step 2: Convert to fraction form
    291,082,377.60/435,615,796.80 = 266,895,907.20/x
  3. Step 3: Cross multiply
    291,082,377.60x = 435,615,796.80 × 266,895,907.20
  4. Step 4: Simplify right side
    291,082,377.60x = 116,264,073,277,586,848
  5. Step 5: Solve for x
    x = 116,264,073,277,586,848/291,082,377.60
  6. Step 6: Final answer
    x = 399,419,828.28

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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.