Home / 1,455,282,000.40-2,182,923,000.60-728,008,272.40

Finding the Fourth Proportional to 1,455,282,000.40, 2,182,923,000.60 and 728,008,272.40

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Solution

The fourth proportional to 1,455,282,000.40, 2,182,923,000.60 and 728,008,272.40 is: 1,092,012,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,282,000.40 : 2,182,923,000.60 = 728,008,272.40 : x
  2. Step 2: Convert to fraction form
    1,455,282,000.40/2,182,923,000.60 = 728,008,272.40/x
  3. Step 3: Cross multiply
    1,455,282,000.40x = 2,182,923,000.60 × 728,008,272.40
  4. Step 4: Simplify right side
    1,455,282,000.40x = 1,589,186,002,449,030,144
  5. Step 5: Solve for x
    x = 1,589,186,002,449,030,144/1,455,282,000.40
  6. Step 6: Final answer
    x = 1,092,012,408.60

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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.