Home / 498,008,051.40-747,012,077.10-291,383,790.60

Finding the Fourth Proportional to 498,008,051.40, 747,012,077.10 and 291,383,790.60

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Solution

The fourth proportional to 498,008,051.40, 747,012,077.10 and 291,383,790.60 is: 437,075,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,008,051.40 : 747,012,077.10 = 291,383,790.60 : x
  2. Step 2: Convert to fraction form
    498,008,051.40/747,012,077.10 = 291,383,790.60/x
  3. Step 3: Cross multiply
    498,008,051.40x = 747,012,077.10 × 291,383,790.60
  4. Step 4: Simplify right side
    498,008,051.40x = 217,667,210,649,377,472
  5. Step 5: Solve for x
    x = 217,667,210,649,377,472/498,008,051.40
  6. Step 6: Final answer
    x = 437,075,685.90

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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.