Home / 996,535,115.20-1,494,794,799.60-259,603,595.20

Finding the Fourth Proportional to 996,535,115.20, 1,494,794,799.60 and 259,603,595.20

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Solution

The fourth proportional to 996,535,115.20, 1,494,794,799.60 and 259,603,595.20 is: 389,403,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,535,115.20 : 1,494,794,799.60 = 259,603,595.20 : x
  2. Step 2: Convert to fraction form
    996,535,115.20/1,494,794,799.60 = 259,603,595.20/x
  3. Step 3: Cross multiply
    996,535,115.20x = 1,494,794,799.60 × 259,603,595.20
  4. Step 4: Simplify right side
    996,535,115.20x = 388,054,104,062,423,488
  5. Step 5: Solve for x
    x = 388,054,104,062,423,488/996,535,115.20
  6. Step 6: Final answer
    x = 389,403,341.78

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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.