Home / 1,474,920,939.60-2,212,097,974.20-439,815,589.20

Finding the Fourth Proportional to 1,474,920,939.60, 2,212,097,974.20 and 439,815,589.20

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Solution

The fourth proportional to 1,474,920,939.60, 2,212,097,974.20 and 439,815,589.20 is: 659,638,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,920,939.60 : 2,212,097,974.20 = 439,815,589.20 : x
  2. Step 2: Convert to fraction form
    1,474,920,939.60/2,212,097,974.20 = 439,815,589.20/x
  3. Step 3: Cross multiply
    1,474,920,939.60x = 2,212,097,974.20 × 439,815,589.20
  4. Step 4: Simplify right side
    1,474,920,939.60x = 972,915,173,890,899,328
  5. Step 5: Solve for x
    x = 972,915,173,890,899,328/1,474,920,939.60
  6. Step 6: Final answer
    x = 659,638,864.54

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1.5x scale

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.