Home / 5,318,784,028.80-7,978,176,043.20-1,441,390,492.80

Finding the Fourth Proportional to 5,318,784,028.80, 7,978,176,043.20 and 1,441,390,492.80

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Solution

The fourth proportional to 5,318,784,028.80, 7,978,176,043.20 and 1,441,390,492.80 is: 2,162,085,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,028.80 : 7,978,176,043.20 = 1,441,390,492.80 : x
  2. Step 2: Convert to fraction form
    5,318,784,028.80/7,978,176,043.20 = 1,441,390,492.80/x
  3. Step 3: Cross multiply
    5,318,784,028.80x = 7,978,176,043.20 × 1,441,390,492.80
  4. Step 4: Simplify right side
    5,318,784,028.80x = 11,499,667,098,553,200,640
  5. Step 5: Solve for x
    x = 11,499,667,098,553,200,640/5,318,784,028.80
  6. Step 6: Final answer
    x = 2,162,085,739.20

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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.