Home / 498,008,052.40-747,012,078.60-291,383,791.60

Finding the Fourth Proportional to 498,008,052.40, 747,012,078.60 and 291,383,791.60

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Solution

The fourth proportional to 498,008,052.40, 747,012,078.60 and 291,383,791.60 is: 437,075,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,008,052.40 : 747,012,078.60 = 291,383,791.60 : x
  2. Step 2: Convert to fraction form
    498,008,052.40/747,012,078.60 = 291,383,791.60/x
  3. Step 3: Cross multiply
    498,008,052.40x = 747,012,078.60 × 291,383,791.60
  4. Step 4: Simplify right side
    498,008,052.40x = 217,667,211,833,465,248
  5. Step 5: Solve for x
    x = 217,667,211,833,465,248/498,008,052.40
  6. Step 6: Final answer
    x = 437,075,687.40

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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.