Home / 677,850,000.40-1,016,775,000.60-186,562,320.40

Finding the Fourth Proportional to 677,850,000.40, 1,016,775,000.60 and 186,562,320.40

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Solution

The fourth proportional to 677,850,000.40, 1,016,775,000.60 and 186,562,320.40 is: 279,843,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,850,000.40 : 1,016,775,000.60 = 186,562,320.40 : x
  2. Step 2: Convert to fraction form
    677,850,000.40/1,016,775,000.60 = 186,562,320.40/x
  3. Step 3: Cross multiply
    677,850,000.40x = 1,016,775,000.60 × 186,562,320.40
  4. Step 4: Simplify right side
    677,850,000.40x = 189,691,903,436,647,392
  5. Step 5: Solve for x
    x = 189,691,903,436,647,392/677,850,000.40
  6. Step 6: Final answer
    x = 279,843,480.60

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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.