Home / 695,520,830.40-1,043,281,245.60-491,447,486.40

Finding the Fourth Proportional to 695,520,830.40, 1,043,281,245.60 and 491,447,486.40

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Solution

The fourth proportional to 695,520,830.40, 1,043,281,245.60 and 491,447,486.40 is: 737,171,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,520,830.40 : 1,043,281,245.60 = 491,447,486.40 : x
  2. Step 2: Convert to fraction form
    695,520,830.40/1,043,281,245.60 = 491,447,486.40/x
  3. Step 3: Cross multiply
    695,520,830.40x = 1,043,281,245.60 × 491,447,486.40
  4. Step 4: Simplify right side
    695,520,830.40x = 512,717,945,758,381,056
  5. Step 5: Solve for x
    x = 512,717,945,758,381,056/695,520,830.40
  6. Step 6: Final answer
    x = 737,171,229.60

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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.