Home / 496,054,704.20-744,082,056.30-388,441,315.40

Finding the Fourth Proportional to 496,054,704.20, 744,082,056.30 and 388,441,315.40

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Solution

The fourth proportional to 496,054,704.20, 744,082,056.30 and 388,441,315.40 is: 582,661,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,054,704.20 : 744,082,056.30 = 388,441,315.40 : x
  2. Step 2: Convert to fraction form
    496,054,704.20/744,082,056.30 = 388,441,315.40/x
  3. Step 3: Cross multiply
    496,054,704.20x = 744,082,056.30 × 388,441,315.40
  4. Step 4: Simplify right side
    496,054,704.20x = 289,032,212,714,708,800
  5. Step 5: Solve for x
    x = 289,032,212,714,708,800/496,054,704.20
  6. Step 6: Final answer
    x = 582,661,973.10

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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.